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Solar eclipse of August 21, 2017

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Solar eclipse of August 21, 2017
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{{Short description|Total eclipse visible from the mainland US}}{{Use mdy dates|date=September 2023}}{{Use American English|date=August 2017}}







factoids
The solar eclipse of August 21, 2017, dubbed the "Great American Eclipse" by some media,See, e.g., NEWS, The Great American Eclipse of 2017,weblink Edward, Steed, September 4, 2017, The New Yorker, October 29, 2017, cs2, ; AV MEDIA,weblink August 22, 2017, October 29, 2017, The Great American Eclipse, Science Channel, Massimino, Mike (narrator), Mike Massimino, cs2, ; WEB,weblink What the 2017 Solar Eclipse Taught Us About Boosting Public Interest in Science, September 29, 2017, October 29, 2017, Nola Taylor, Redd, space.com, Purch Group, cs2, ; WEB, A Near-IR Photo of the Moon's Shadow During the Great American Eclipse, Michael, Zhang,weblink September 22, 2017, October 29, 2017, PetaPixel, cs2, ; NEWS, Sean, Lakind, The Great American Eclipse And Its Effect On Retail Traffic,weblink September 12, 2017, October 29, 2017, Forbes, cs2, . was a total solar eclipse visible within a band that spanned the contiguous United States from the Pacific to the Atlantic coasts. It was also visible as a partial solar eclipse from as far north as Nunavut in northern Canada to as far south as northern South America. In northwestern Europe and Africa, it was partially visible in the late evening. In northeastern Asia, it was partially visible at sunrise.Prior to this event, no solar eclipse had been visible across the entirety of the United States since June 8, 1918; not since the February 1979 eclipse had a total eclipse been visible from anywhere in the mainland United States.MAGAZINE, Chan, Melissa,weblink The 2017 Total Solar Eclipse: Everything You Need to Know, Time (magazine), Time, July 25, 2017, August 22, 2017, The path of totality touched 14 states, and the rest of the U.S. had a partial eclipse. The area of the path of totality was about 16 percent of the area of the United States,WEB,weblink When Exactly Will the Eclipse Happen? A Multimillenium Tale of Computation, Wolfram, Stephen, August 15, 2017, Wolfram Blog, August 17, 2017, with most of this area over the ocean, not land. The event's shadow began to cover land on the Oregon coast as a partial eclipse at 4:05 p.m. UTC (9:05 a.m. PDT), with the total eclipse beginning there at 5:16 p.m. UTC (10:16 a.m. PDT); the total eclipse's land coverage ended along the South Carolina coast at about 6:44 p.m. UTC (2:44 p.m. EDT). Visibility as a partial eclipse in Honolulu, Hawaii began with sunrise at 4:20 p.m. UTC (6:20 a.m. HST) and ended by 5:25 p.m. UTC (7:25 a.m. HST).NEWS,weblink How to view the partial solar eclipse in Hawaii, KHON-TV, KHON2 Nexstar Media Group, August 15, 2017, August 21, 2017, August 22, 2017,weblink" title="web.archive.org/web/20170822013449weblink">weblink dead, This total solar eclipse marked the first such event in the smartphone and social media era in the United States. Information, personal communication, and photography were widely available as never before, capturing popular attention and enhancing the social experience.The event was received with much enthusiasm across the nation; people gathered outside their homes to watch it, and many parties were set up in the path of the eclipse. Many people left their homes and traveled hundreds of miles just to get a glimpse of totality, which few ever get to experience. Marriage proposals were timed to coincide with the eclipse, as was at least one wedding.WEB,weblinkweblink December 22, 2021, live, Total solar eclipse experience from coast to coast, ABC News, August 22, 2017, YouTube, {{cbignore}}WEB,weblink Eclipse Across America, Celestron, September 26, 2017, YouTube, Logistical problems arose with the influx of visitors, especially for smaller communities. The sale of counterfeit eclipse glasses was also anticipated to be a hazard for eye injuries.The next solar eclipse that crossed the United States occurred on April 8, 2024 (12 states). Future solar eclipses that cross the United States will occur on August 23, 2044 (3 states), and on August 12, 2045 (10 states). Annular solar eclipses—wherein the Moon appears smaller than the Sun—occurred in October 2023 (9 states) and will occur in June 2048 (9 states).

Visibility

The total eclipse had a magnitude of 1.0306 and was visible within a narrow corridor {{convert|70|mile|km}} wide, crossing 14 of the contiguous United States: Oregon, Idaho, Montana, Wyoming, Nebraska, Kansas, Iowa, Missouri, Illinois, Kentucky, Tennessee, Georgia, North Carolina, and South Carolina.WEB,weblink Eclipse: Who? What? Where? When? and How?, NASA, October 18, 2018, WEB,weblink Voyages of Discovery: 2017 Total Solar Eclipse, astroadventures.net, Astro Adventures, July 30, 2017, July 30, 2017,weblink" title="web.archive.org/web/20170730202005weblink">weblink dead, It was first seen from land in the U.S. shortly after 10:15 am PDT (17:15 UTC) at Oregon's Pacific coast, and then it progressed eastward through Salem, Oregon; Idaho Falls, Idaho; Casper, Wyoming; Lincoln, Nebraska; Kansas City, Missouri; St. Louis, Missouri; Hopkinsville, Kentucky; and Nashville, Tennessee; before reaching Columbia, South Carolina about 2:41 pm;WEB,weblink Here's a Timeline of When the 2017 Solar Eclipse Begins and Ends, Tariq, Malik, space.com, August 18, 2017, August 21, 2017, and finally Charleston, South Carolina. A partial eclipse was seen for a greater time period, beginning shortly after 9:00 am PDT along the Pacific Coast of Oregon. Weather forecasts predicted clear skies in Western U.S. and some Eastern states, but clouds in the Midwest and East Coast.WEB,weblink The Solar Eclipse: What to Expect, August 21, 2017, The New York Times, August 21, 2017, {{clear|right}}{| align="right" style="border-spacing: 10px"
thumbAnimation of the eclipse shadow: The dot in the center represents the path of totality.)thumbView of the lunar shadow tracking across Earth from the Deep Space Climate ObservatoryDeep Space Climate Observatory
The longest ground duration of totality was 2 minutes 41.6 seconds at about {{coord|37|35|0|N|89|7|0|W}} in Giant City State Park, just south of Carbondale, Illinois, and the greatest extent (width) was at {{coord|36|58|0|N|87|40|18|W}} near the village of Cerulean, Kentucky, located in between Hopkinsville and Princeton.WEB, 2017 August 21 Total Solar Eclipse,weblink USNO, April 25, 2014, October 12, 2014,weblink" title="web.archive.org/web/20141012174938weblink">weblink dead, This was the first total solar eclipse visible from the Southeastern United States since the solar eclipse of March 7, 1970. Two NASA WB-57Fs flew above the clouds, prolonging the observation time spent in the umbra.WEB,weblink NASA to Chase Solar Eclipse with Jets for Clearest Ever Photos of Corona, August 3, 2017, PetaPixel, August 21, 2017, Will, Nicholls, A partial solar eclipse was seen from the much broader path of the Moon's penumbra, including all of North America, particularly areas just south of the totality pass, where the eclipse lasted about 3–5 hours, northern South America, Western Europe, and some of Africa and north-east Asia.At one location in Wyoming, a small group of astronomers used telescopic lenses to photograph the sun as it was in partial eclipse, while the International Space Station was also seen to briefly transit the sun.WEB,weblinkweblink December 22, 2021, live, Space Station Transiting 2017 ECLIPSE, My Brain Stopped Working – Smarter Every Day 175, SmarterEveryDay, August 22, 2017, YouTube, {{cbignore}} Similar images were captured by NASA from a location in Washington. (See Gallery – partial eclipse section).{{clear}}

List of major cities in the path of totality

upright1.3">

Other celestial bodies{| align"right" style"border-spacing: 10px"upright1.3

During totality, stars and four planets were visible.)thumbSolar eclipse and star system Regulus (upper left) viewed from Cullowhee, North CarolinaCullowhee, North CarolinaDuring the eclipse for a long span of its path of totality, several bright stars and four planets were visible. The star system Regulus was almost in conjunction with the Sun. Mars was 8° to the right, and Venus 34° right. Mercury was 10° left, and Jupiter 51° left.WEB,weblink See 4 planets during the total eclipse - EarthSky.org, earthsky.org, August 21, 2017,

Other eclipses over the United States

This was the first total solar eclipse visible from the United States since that of July 11, 1991"The Great Baja Eclipse", Discover January 1991. p. 90.—which was seen only from part of HawaiiWEB,weblink Total and Annular Solar Eclipse Paths 1981–2000, NASA, dead,weblink" title="web.archive.org/web/20090327105915weblink">weblink March 27, 2009, —and the first visible from the contiguous United States since 1979.WEB,weblink Total and Annular Solar Eclipse Paths 1961–1980, NASA, dead,weblink" title="web.archive.org/web/20090327111628weblink">weblink March 27, 2009, An eclipse of comparable length (up to 3 minutes, 8 seconds, with the longest eclipse being 6 minutes and 54 seconds) occurred over the contiguous United States on March 7, 1970 along the southern portions of the Eastern Seaboard, from Florida to Virginia.WEB,weblink Total Solar Eclipse of 1970 Mar 07, Espenak, Fred, NASA,weblink" title="web.archive.org/web/20120205084141weblink">weblink February 5, 2012, dead, The path of totality of the solar eclipse of February 26, 1979 crossed only the states of Washington, Oregon, Idaho, Montana, and North Dakota. Many enthusiasts traveled to the Pacific Northwest to view the eclipse, since it would be the last chance to view such an eclipse in the contiguous United States for almost four decades."Thousands Go West for a Total Solar Eclipse Tomorrow; Data May Aid Energy Research Partial Eclipse for New York Best Types of Film Image of Sun on Screen", The New York Times February 25, 1979. p. 26.NEWS, Browne, Malcolm W., February 27, 1979, Total Eclipse of the Sun Darkens Skies in Northwest; Total Eclipse Casts Two Minutes of Darkness in West Temperature Falls Sharply Learned of Weather Peculiarities Data on Plasma Sought, C4,weblink The New York Times, February 19, 2017, File:Map of the solar eclipse 2017 USA OSM Zoom1.png|thumb|left|The path of totality across the 250pxThe August 2017 eclipse was the first with a path of totality crossing the Pacific and Atlantic coasts of the U.S. since the solar eclipse of 1918. Also, its path of totality made landfall exclusively within the United States, making it the first such eclipse since the country's declaration of independence in 1776. Prior to this, the path of totality of the eclipse of June 13, 1257, was the last to make landfall exclusively on lands currently part of the United States.WEB,weblink NASA – Total Solar Eclipse of 1257 June 13, Xavier, Jubier, Fred, Espenak, NASA, dead,weblink" title="web.archive.org/web/20120726002221weblink">weblink July 26, 2012, The path of the solar eclipse of April 8, 2024 crossed the path of the 2017 eclipse, with the intersection in southern Illinois in Makanda Township at Cedar Lake, just south of Carbondale. An area of about {{convert|9,000|sqmi}}, including the cities of Makanda, Carbondale, Cape Girardeau, Missouri, and Paducah, Kentucky, will thus experience two total solar eclipses within a span of less than seven years.WEB,weblink X Marks the Spot: Two Total Solar Eclipses in Seven Years, National Eclipse Blog, June 28, 2016, October 18, 2018, The solar eclipse of August 12, 2045, will have a very similar path of totality over the U.S. to the 2017 eclipse: about 400 km (250 mi) to the southwest, also crossing the Pacific and Atlantic coasts of the country; however, totality will be more than twice as long, and it will be seen not only in the United States. It will be seen in the Americas.WEB,weblink Google Earth Gallery for Solar and Lunar Eclipses, Xavier M., Jubier, 2011, August 22, 2017, {{clear}}

Total eclipse viewing events

Oregon

File:Solar Eclipse viewers OSU.jpg|thumb|Viewing the eclipse at Oregon State University in Corvallis ]]File:Exit Diamond Ring Effect.jpg|thumb|upright|Diamond ring effect and some prominences at the end of totality, Polk County Fairgrounds, Rickreall, OregonRickreall, OregonFile:2017-08-18 Jefferson County eclipse camp 02.jpg|thumb|upright|Campers on a field near Madras, OregonMadras, Oregon
  • Corvallis – The Corvallis campus of Oregon State University hosted "OSU150 Space Grant Festival: A Total Eclipse Experience", a weekend-long celebration of the eclipse. A watch party was also hosted on campus the day of the eclipse.WEB,weblink OSU150 Space Grant Festival: A Total Eclipse Experience, April 20, 2017, Oregon State University, August 22, 2017,
  • Huntington – Historic Farewell Bend State Recreation Area hosted the RASC: Yukon Centre (Yukon Astronomical Society) and the RASC: Okanagan Centre. Solar viewing and presentations on the eclipse were given along with a dark-sky presentation.WEB,weblink Where to watch the total solar eclipse in Eastern Oregon, East Oregonian, July 7, 2017, November 5, 2017,
  • Keizer – The Salem-Keizer Volcanoes, a Class A baseball team, played a morning game against the visiting Hillsboro Hops that featured the first ever "eclipse delay" in baseball history.WEB,weblink EclipseFest, Salem-Keizer Volcanoes, August 8, 2017,
  • Madras – The city sponsored a four-day Solarfest at two locations.NEWS,weblink Eclipse chasers blaze trail to Oregon for view of a lifetime, June 23, 2017, The Seattle Times, June 30, 2017, en-US,
  • Ontario – Treasure Valley Community College hosted an eclipse viewing event.NEWS,weblink 'Tremendous event': Man describes viewing eclipse as 'caveman like', August 22, 2017, The Argus Observer, August 17, 2022, en-US,
  • Prineville – Symbiosis Gathering hosted a seven-day eclipse festival which included rave-style music dubbed "Oregon Eclipse".NEWS,weblink Oregon Scores International Collaborative Festival With 'Oregon Eclipse', November 11, 2016, Dance Music NW, en-US, November 13, 2016, WEB,weblink Oregon Eclipse â€” A Total Solar Eclipse Gathering 17–23 August, 2017, oregoneclipse2017.com, November 13, 2016, WEB,weblinkweblink December 22, 2021, live, Oregon Eclipse 2017 – Symbiosis, Colin Day, September 6, 2017, YouTube, {{cbignore}}
  • Rickreall – The Polk County Fairgrounds organized a series of events and an eclipse gathering.NEWS,weblink Saturday Oregon solar eclipse updates on traffic, crowds and events, Statesman Journal, August 30, 2017, en,
  • Salem – The Oregon Museum of Science and Industry hosted an event at the Oregon State Fairgrounds.WEB,weblink OMSI Total Solar Eclipse Viewing in Salem, Oregon â€” August 21, 2017, NASA, April 2, 2017,

Idaho

File:A645, August 21, 2017 total solar eclipse composite image with corona, prominences, diamond ring and partial eclipse with sunspots.jpg|thumb|upright|Four image composite with corona, prominences, diamond ring and partial eclipse with sunspots from north of Boise, IdahoBoise, IdahoFile:2017 Solar Eclipse Weiser Idaho.jpg|thumb|Total eclipse from Weiser, IdahoWeiser, Idaho
  • Arco – High altitude balloon launches by the USC Astronautical Engineering department and NASA.WEB,weblink Event Details – Craters Of The Moon National Monument & Preserve, U.S. National Park Service, en, August 8, 2017,
  • Craters of the Moon – The National Monument and Preserve hosted NASA presentations, evening star parties hosted by the Idaho Falls Astronomical Society, and presentations by the New Mexico Chapter of the Charlie Bates Solar Astronomy Project.
  • Idaho Falls – Free entertainment and educational seminars and an eclipse-watching event at the Museum of Idaho (an official NASA viewing site) and elsewhere, and a free eclipse-watching event at Melaleuca Field.NEWS,weblink Events Around Eastern Idaho, October 24, 2016, Eastern Idaho Eclipse, August 8, 2017, en-US, dead,weblink" title="web.archive.org/web/20170808233754weblink">weblink August 8, 2017, WEB,weblink Idaho Falls Eclipse, March 22, 2017, Big Kid Science, en-US, August 8, 2017,
  • Rexburg – Brigham Young University Idaho offered a series of eclipse-related educational events.WEB,weblink Total Solar Eclipse 2017, Brigham Young University Idaho, April 2, 2017, April 4, 2017,weblink" title="web.archive.org/web/20170404044025weblink">weblink dead,
  • Weiser – The city sponsored a five-day festival prior to the eclipse.WEB,weblink Eclipse Festival and Map, Weiser Eclipse 2017, en-US, August 8, 2017, August 19, 2017,weblink dead,

Wyoming

File:Scenes from the August 21, 2017 eclipse in Mammoth Hot Springs (36584564651).jpg|thumb|People watching and photographing the eclipse in Yellowstone National ParkYellowstone National Park
  • Crowheart – The YouTube channel Smarter Every Day, collaborating with photographer Trevor Mahlmann, observed and captured a simultaneous transit of the International Space Station during the partial phase of the eclipse.WEB, Sandlin, Destin, Space Station Transiting 2017 ECLIPSE, My Brain Stopped Working - Smarter Every Day 175, YouTube,weblink 1 April 2024, en,
  • Casper – The Astronomical League, an alliance of amateur astronomy clubs, held its annual Astrocon conference,WEB,weblink 2017Astrocon, Casper, Wyoming, Astronomical League, April 3, 2017, a unique opportunity for professional astronomers to intermingle with knowledgeable amateurs; gathering together to learn from each other and exchange ideas., April 4, 2017,weblink dead, and there were other public events, called Wyoming Eclipse Festival 2017.WEB,weblink Wyoming Eclipse Festival 2017, April 2, 2017, August 21, 2017,weblink" title="web.archive.org/web/20170821024103weblink">weblink dead,
  • Fort Laramie – Fort Laramie held an eclipse viewing event, which included a Special "Great American Eclipse" Program.WEB,weblink 2017 Great American Eclipse, Fort Laramie, National Park Service, August 21, 2017,
  • Riverton – The biggest Polish expedition conducted as the Great Expedition of Polish Society of Amateur Astronomers was flocked between Riverton and Shoshoni in the central line of totality.MAGAZINE,weblink zaćmienie SÅ‚oÅ„ca i ciemne niebo, pl, Urania – PostÄ™py Astronomii, August 7, 2017, May 11, 2018,

Nebraska

File:Minatare, NE on August 21, 2017 (3).jpg|thumb|During totality north of Minatare, NebraskaMinatare, Nebraska
  • Alliance – Entertainment and educational seminars were offered.WEB,weblink Eclipse Events, 2017 Solar Eclipse in Alliance, April 2, 2017, dead,weblink" title="web.archive.org/web/20170404044437weblink">weblink April 4, 2017, mdy-all, ABC News reported live from Carhenge during totality.Crowds at Carhenge in Nebraska eager to view solar eclipse (ABC News, August 21, 2017)
  • Auburn – Nemaha County Hospital hosted an eclipse viewing event, including sharing safety tips from Lifetime Vision Center.WEB,weblink Eclipse Lunch on the Lawn, Nemaha County Hospital, Facebook, August 22, 2017,
  • Beatrice – Homestead National Monument of America – Events were held with Bill Nye the Science Guy as well as representatives from NASA on Saturday, Sunday and the day of the eclipse.WEB,weblink Total Solar Eclipse Weekend of Events at Homestead National Monument of America – Homestead National Monument of America, U.S. National Park Service, en, August 6, 2017, YouTube: Eclipse 2017: One Nation Under the Sun Published August 27, 2017, (National Monument displayed at 0:58, 4:42 4:53, 6:31; Lincoln baseball game at 0:44, 1:36, 5:47).
  • Grand Island – Stuhr Museum hosted an eclipse viewing event, including the launch of a NASA eclipse observing balloon.WEB,weblink Gem of the Prairie Eclipse Event, stuhrmuseum.org, Stuhr Museum, dead,weblink" title="web.archive.org/web/20170731161354weblink">weblink July 31, 2017,
  • Lincoln – At Haymarket Park, the Lincoln Saltdogs, an independent baseball team in the American Association, defeated the Gary SouthShore RailCats 8–5 in a special eclipse game, with 6,956 in attendance. The game was paused for 26 minutes in the middle of the third inning to observe the eclipse. The Saltdogs players wore special eclipse-themed uniforms that were auctioned off after the game.WEB,weblink Eight-run Inning Carries Saltdogs Over Railcats in Special Solar Eclipse Game, Lincoln Saltdogs, August 21, 2017,

Kansas

  • Atchison â€“ Benedictine College hosted thousands in its football stadium. There were students from schools from Kansas, Missouri, Nebraska, and Oklahoma attending, plus numerous other guests who heard from, amongst others, astronomers from the Vatican Observatory.WEB,weblink The Great American Eclipse Viewing at Benedictine College, Benedictine College,

Missouri

  • Columbia â€“ The Cosmo Park and the Gans Creek Park were open for the eclipse.WEB,weblink Show me totality COMO, Lathrop Eclipse, August 20, 2017, There was a watch party on campus for the students at the University of Missouri coordinated by Angela Speck,WEB,weblink MU hosts weekend full of events leading to Mondays solar eclipse, Lathrop Eclipse, August 19, 2017, August 20, 2017, and the MU Health Care system released eye safety information.WEB,weblink Eclipse 2017, Lathrop Eclipse, August 20, 2017, dead,weblink" title="web.archive.org/web/20170820115857weblink">weblink August 20, 2017,
  • Kansas City â€“ A 5-mile (8 km) bicycle ride from downtown KCMO (where totality only lasted about 30 seconds) to Macken Park in North Kansas City (where totality lasted 1 minute 13 seconds) was organized by KC Pedal Party Club, a local Meetup group.WEB,weblink Total solar eclipse ride, KC-PPC, May 1, 2017, March 29, 2022,weblink dead,
  • Lathrop â€“ The city celebrated its 150th anniversary with an eclipse festival.WEB,weblink Total Solar Eclipse/150 Years Festival, Lathrop Eclipse, April 2, 2017,
  • Parkville â€“ TotalEclipseofthePark â€“ August 20 educational program featuring NASA Glenn Research Center Hall of Famer Lynn Bondurant, '61, and August 21 watch party organized by Park University.WEB,weblink Eclipsing Park University, Park University, July 13, 2017, August 16, 2017,weblink" title="web.archive.org/web/20170816092249weblink">weblink dead,
  • Potosi  â€“ Hora Eclipse, an Israeli folkdance camp coordinated with the eclipse, was held at YMCA Trout Lodge and Camp Lakewood, near the Mark Twain National Forest. More information at the event's website, especially its post-mortem page.
  • St. Clair â€“ An event organized by the St. Clair City Chamber of Commerce.WEB,weblink Darkening of the Sun â€“ Eclipse 2017 â€“ St. Clair MO,
  • St. Joseph â€“ An event organized by Front Page Science was held at Rosecrans Memorial Airport.WEB,weblink St. Joseph Eclipse, Front Page Science, April 3, 2017, August 22, 2017,weblink" title="web.archive.org/web/20170822223928weblink">weblink dead,
  • St. Louis â€“ David Tipper hosted his Tipper & Friends 4321 electronic music event at Astral Valley Art Park featuring 5 days of music, art, and eclipse viewing.WEB,weblink The 4321 Event w/ Tipper & Friends Set to Amaze during 2017's Total Solar Eclipse, Armstrong, Bethany, August 1, 2017, Music Festival Central, November 16, 2017, November 17, 2017,weblink dead,

Illinois

File:Ringoffire.tif|thumb|The Ring of Fire as seen from Makanda, IllinoisMakanda, Illinois
  • Carbondale – Southern Illinois University sponsored many eclipse related educational events, including the two day Crossroads Astronomy, Science and Technology Expo, and viewing at Saluki Stadium.WEB,weblinkweblink" title="web.archive.org/web/20170324024309weblink">weblink dead, March 24, 2017, Southern Illinois: eclipse crossroads of America, May 5, 2016, Southern Illinois University Carbondale, Amtrak ran a special train, the Eclipse Express, from Chicago to Carbondale.NEWS,weblink Amtrak announces 'Eclipse Express' special to southern Illinois, Johnston, Bob, August 7, 2017, Trains, August 14, 2017, August 10, 2017,weblink" title="web.archive.org/web/20170810210135weblink">weblink dead, NASA EDGE was broadcasting live from Southern Illinois University Carbondale with a four-hour and thirty-minute show (11:45 a.m. – 4:15 p.m. EDT).WEB,weblinkweblink dead, March 19, 2017, Southern Illinois University Carbondale (NASA EDGE), NASA, August 20, 2017,
  • Carterville – A three-day rock festival called Moonstock was headlined by Ozzy Osbourne, who performed during the eclipse.NEWS, Carley, Sean, Remainder of "Moonstock" eclipse festival lineup announced, Daily Egyptian, March 28, 2017,weblink April 2, 2017,
  • Goreville – The University of Illinois Astronomy Department hosted a viewing event in town, which was the closest village to the point of longest duration.WEB,weblink


, View the Eclipse with University of Illinois Astronomers in Goreville, IL, University of Illinois at Urbana–Champaign, May 3, 2017,

Kentucky

File:Dave Teich snaps eclipse crescent jeh.jpg|thumb|upright|An eclipse photographer in Madisonville, KentuckyMadisonville, Kentucky

Tennessee

File:Tennessee-Tech-solar-eclipse-totality-tn.jpg|thumb|Totality from Tennessee Tech in Cookeville, TennesseeCookeville, Tennessee
  • Athens – The City of Athens hosted "Total Eclipse of the Park" at Athens Regional Park, including entertainment, food, and vendors.WEB,weblink Total Eclipse of the Park, Athens Area Chamber of Commerce, August 24, 2017, athenschamber.org, August 24, 2017,weblink" title="web.archive.org/web/20170824051757weblink">weblink dead,
  • Clarksville – Austin Peay State University presented several educational events, including an appearance by astronaut Rhea Seddon.WEB,weblink Eclipse: Events, Austin Peay State University, April 3, 2017, August 1, 2017,weblink" title="web.archive.org/web/20170801033303weblink">weblink dead,
  • Cookeville – Tennessee Tech hosted a solar eclipse viewing party at Tucker Stadium. Cookeville hosted special events from Saturday to Monday.
  • McMinnville – celebrated the eclipse by hosting BLACKOUT 2017, an eclipse viewing event held in the city square. In addition to the viewing, a selection of food trucks and musical acts which features The Pink Floyd Appreciation Society band who performed Pink Floyd's The Dark Side of the Moon in its entirety prior to the totality event.WEB,weblink Blackout 2017, mainstreetmcminnville.org, Main Street McMinville, August 18, 2017, August 18, 2017,weblink dead,
  • Memphis – At AutoZone Park, the Memphis Redbirds, a Class AAA baseball team, played an eclipse game against the visiting New Orleans Baby Cakes.
  • Nashville – offered many special events, including the Music City Eclipse Science & Technology Festival at the Adventure Science Center.WEB,weblink Eclipse-Themed Programs & Events, Music City Solar Eclipse, April 2, 2017, August 19, 2017,weblink" title="web.archive.org/web/20170819060538weblink">weblink dead, The Italian Lights Festival hosted the largest Eclipse Viewing Party in Nashville, a free NASA-Certified Eclipse Event held at the Bicentennial Mall.WEB,weblink Nashville's Italian Lights festival is official NASA location for solar eclipse, Music City Eclipse at Italian Lights Festival, WKRN News2, July 22, 2017, July 23, 2017,weblink" title="web.archive.org/web/20170723040737weblink">weblink dead, Two astrophysicists from NASA's Jet Propulsion Laboratory emceed the countdown.WEB,weblink Solar Eclipse 2017 Viewing Event, Free Music City Eclipse Party, Music City Eclipse at Italian Lights Festival, July 20, 2017,

North Carolina

  • Bryson City – Planetarium shows were offered, as well as rides on the Great Smoky Mountains Railroad to an eclipse location.WEB,weblink The 2017 Total Solar Eclipse Will Pass Through the Great Smoky Mountains of North Carolina, Bryson City North Carolina, April 2, 2017, dead,weblink August 1, 2017, mdy-all,
  • Cullowhee – The eclipse was visible in totality, and classes were cancelled for several hours during the first day of classes at Western Carolina University.WEB, Reinhart, Vince,weblink Eclipse – Cullowhee North Carolina, August 21, 2017, Flickr,
  • Rosman – Pisgah Astronomical Research Institute (PARI) hosted a viewing event. The event at PARI has garnered international attention and the visitors included amateur astronomers.

Georgia

South Carolina

File:Solar eclipse 2017-08-21 second contact fl=1600mm f8 1080p 24fps.webm|thumb|upright=1.2|Video of the eclipse second contact in Simpsonville, South CarolinaSimpsonville, South Carolina

Viewing from outside the United States

Canada

A partial eclipse was visible across the width of Canada, ranging from 89 percent in Victoria, British Columbia to 11 percent in Resolute, Nunavut.NEWS, Nicole, Mortillaro, When day turns into night: Canadians, Americans prepare for total solar eclipse,weblink CBC News, July 2, 2017, July 2, 2017, In Ottawa, viewing parties were held at the Canada Aviation and Space Museum.WEB,weblink Eclipse viewing party at Canada Aviation and Space Museum {{!, CTV News|website=ctvnews.com|date=August 20, 2017|access-date=August 20, 2017}} In Toronto, viewing parties were held at the CNE and the Ontario Science Centre.WEB,weblink Where to watch the eclipse in the Toronto area {{!, Toronto Star|website=thestar.com|date=August 20, 2017|access-date=August 26, 2017}}

Mexico, Central America, Caribbean islands, South America

A partial eclipse was visible from Central America, Mexico, the Caribbean islands, and ships and aircraft in and above the adjacent oceans,WEB,weblink Bonnie Tyler Will Sing 'Total Eclipse of the Heart' During the Actual Total Solar Eclipse, August 19, 2017, Space.com, August 21, 2017, as well as the northern countries of South America such as Colombia, Venezuela, and several others.On the Caribbean Sea, Bonnie Tyler performed her 1983 song "Total Eclipse of the Heart" live with the pop group DNCE on board the cruise ship Oasis of the Seas, as the ship entered the eclipse's totality path, east of The Bahamas.NEWS,weblink Bonnie Tyler sings 'Total Eclipse of the Heart' live on CNN, CNN, Melissa Mahtani, English, August 21, 2017, July 2, 2021, NEWS,weblink Here's Bonnie Tyler singing 'Total Eclipse of the Heart' during the eclipse, Miami Herald, Chabeli Herrera, English, August 22, 2017, July 2, 2021,

Europe

(File:Tse2017europe.png|thumb|Boundaries of the sunset partial eclipse in Western Europe)In northwestern Europe, a partial eclipse was visible in the evening or at sunset. Only those in Iceland, Ireland, Scotland and the Portuguese Azores archipelago saw the eclipse from beginning to end; in Wales, England, Norway, the Netherlands, Belgium, France, Spain, and Portugal, sunset occurred before the end of the eclipse. In Germany, the beginning of the eclipse was visible just at sunset only in the extreme northwest of the country. In all regions east of the orange line on the map, the eclipse was not visible.Littmann, Espenak, Willcox: Totality: Eclipses of the Sun. pp 253ff

Asian Russia

A partial eclipse was visible during sunrise or morning hours in Russian Far East (including Severnaya Zemlya and New Siberian Islands archipelagos).WEB,weblink Total Eclipse of the Sun, August 26, 2017, August 26, 2017,weblink" title="web.archive.org/web/20170826235343weblink">weblink dead, Map of Total Solar Eclipse on August 21, 2017 — timeanddate.com For big cities in Russia, the maximal obscuration was in Anadyr, and it was 27.82%.WEB,weblink Local Circumstances of the partial eclipse in Anadyr, August 26, 2017, August 26, 2017,weblink" title="web.archive.org/web/20170826235539weblink">weblink dead,

West Africa

In some locations in West Africa and western North Africa, a partial eclipse was seen just before and during sunset. The most favorable conditions to see this eclipse gained the Cape Verde Archipelago with nearly 0.9 magnitude at the Pico del Fogo volcano.

Media and scientific coverage

File:NASA TV coverage of 21 August 2017 eclipse.jpg|thumb|(NASA TV]]'s live coverage was being watched by 4.4 million people at 1:40 EDT, accounting for 87% of all traffic to U.S. federal government websites)A large number of media outlets broadcast coverage of the eclipse, including television and internet outlets. NASA announced plans to offer streaming coverage through its NASA TV and NASA Edge outlets, using cameras stationed on the ground along the path of totality, along with cameras on high-altitude balloons, jets, and coverage from the International Space Station; NASA stated that "never before will a celestial event be viewed by so many and explored from so many vantage points—from space, from the air, and from the ground."NEWS,weblink How to watch the Great American Eclipse, no matter where you are in the world, Rubin, Molly, Quartz, August 18, 2017, August 15, 2017, ABC, CBS, and NBC announced that they would respectively broadcast live television specials to cover the eclipse with correspondents stationed across the path of totality, along with CNN, Fox News Channel, Science, and The Weather Channel. The PBS series Nova presented streaming coverage on Facebook hosted by Miles O'Brien, and aired a special episode chronicling the event—"Eclipse Over America"—later in the day (which marked the fastest production turnaround time in Nova history).WEB,weblink Here Are The TV Network Plans For Covering the Total Solar Eclipse, TVNewser, Adweek, en-US, August 18, 2017, A.J., Katz, August 17, 2017, NEWS,weblink Solar Eclipse Coverage: TV Goes Totally Looney for Lunar Moment, Nyren, Erin, August 18, 2017, Variety, August 18, 2017, en-US, Other institutions and services also announced plans to stream their perspectives of the eclipse, including the Exploratorium in San Francisco, the Elephant Sanctuary of Hohenwald, Tennessee, the Slooh robotic telescope app, and The Virtual Telescope Project. The Eclipse Ballooning Project, a consortium of schools and colleges that sent 50 high-altitude balloons into the sky during the eclipse to conduct experiments, provided streams of footage and GPS tracking of its launches.WEB,weblink Why NASA is sending bacteria into the sky on balloons during the eclipse, Potenza, Alessandra, August 15, 2017, The Verge, August 18, 2017, Contact with one balloon with $13,000 of scientific equipment, launched under the aegis of the LGF Museum of Natural History near Vale, Oregon, was lost at {{convert|20,000|feet|meter}}. Given that the balloon was believed to have burst at {{convert|100,000|feet|meter}}, it could have parachuted down anywhere from eastern Oregon to Caldwell, Idaho (most likely) to Sun Valley, Idaho; a $1,000 reward is offered for its recovery.WEB,weblink Eclipse observation balloon went missing. Did it land in Treasure Valley?, MOELLER, KATY, August 24, 2017, The Idaho Statesman, August 24, 2017, The National Solar Observatory organized Citizen CATE volunteers to man 60 identical telescopes and instrumentation packages along the totality path to study changes in the corona over the duration of the eclipse.File:ISS-52 Eclipse 2017 Umbra Viewed from Space (2).jpg|thumb|The Moon's umbra, as seen from the International Space StationInternational Space StationIn orbit, the International Space Station and the satellites Lunar Reconnaissance Orbiter, Solar Dynamics Observatory, Moderate Resolution Imaging Spectroradiometer, Solar and Heliospheric Observatory, and Hinode gathered data from the eclipse.WEB,weblink The Eclipse 2017 Umbra Viewed from Space, August 21, 2017, NASA, August 24, 2017, A viewing party was held at the White House, during which President Donald Trump appeared on the Truman Balcony with First Lady Melania Trump. With the Sun partially eclipsed, President Trump looked briefly in the general direction of the Sun before using solar viewing glasses.NEWS,weblink Trump celebrates solar eclipse by looking up without special viewing glasses, The Washington Post, August 23, 2017, Herman, Wong, The eclipse generated reports of abnormal behavior in animal and plant life. Some chickens came out from beneath their coops and began grooming, usually an evening activity. Horses displayed increased whinnying, running, and jumping after the event. Cicadas were reported to grow louder before going silent during totality. Various birds were also observed flying in unusually large formations. Flowers such as the Hibiscus closed their petals which typically happens at night, before opening again after the solar event.NEWS,weblink The Solar Eclipse Had a Spooky Effect on Nature, Live Science, August 26, 2017, Pornhub, a pornographic video-sharing website provided an unusual sociological and statistical report: its traffic dropped precipitously along the path of totality, so much so that its researchers were themselves surprised.WEB,weblink Pornhub Was Shocked by How Total Solar Eclipse Affected Their Viewers: The great cosmic ballet briefly distracted people from porn., Gaudette, Emily, August 23, 2017, Inverse Culture, April 11, 2018, NASA reported over 90 million page views of the eclipse on its websites, making it the agency's biggest online event ever, beating the previous web traffic record about seven times over.WEB,weblink The solar eclipse was viewed over 90 million times on NASA website, The Economic Times, August 26, 2017, August 26, 2017, August 26, 2017,weblink" title="web.archive.org/web/20170826152917weblink">weblink dead,

Counterfeit eclipse glasses

{{see also|Solar viewer}}File:KCNSC solar eclipse2-5- (36618841781).jpg|thumb|Three people wearing eclipse glasses at the Kansas City National Security Campus in Kansas City, MissouriKansas City, MissouriIn the months leading up to the eclipse, many counterfeit glasses were put up for sale. Effective eclipse glasses must not only block most visible light, but most UV and infrared light as well. For visible light, the user should only be able to see the Sun, sunlight reflected off shiny metal, halogen bulbs, the filament in unfrosted incandescent bulbs, and similarly intense sources. Determining whether the glasses effectively block enough UV and infrared light requires the use of spectrophotometer, which is a rather expensive piece of lab equipment.The eye's retina lacks pain receptors, and thus damage can occur without one's awareness.WEB,weblink Here's How Fast Your Retina Could Burn Looking at Eclipse Unprotected, KUSA (TV), 9 News, Denver, Colorado, Travis, Pittman, August 18, 2017, The American Astronomical Society (AAS) said products meeting the ISO 12312-2 standard avoid risk to one's eyes and issued a list of reputable vendors of eclipse glasses. The organization warned against products claiming ISO certification or even citing the same number, but not tested by an accredited laboratory. Another problem was counterfeits of reputable vendors' products, some even claiming the company's name such as with American Paper Optics which published information detailing the differences between its glasses and counterfeits.WEB, Eclipse Glasses Safety,weblink Eclipse Glasses.com, August 20, 2017, NEWS,weblink How to Tell If Your Eclipse Glasses or Handheld Solar Viewers Are Safe, February 23, 2017, Solar Eclipse Across America – August 21, 2017, American Astronomical Society, August 20, 2017, en, Includes photos of genuine and fake eclipse glasses.Andrew Lund, the owner of a company which produces eclipse glasses, noted that not all counterfeit glasses were necessarily unsafe. He stated to Quartz that the counterfeits he tested blocked the majority of harmful light spectrum, concluding that "the IP is getting ripped off, but the good news is there are no long-term harmful effects."NEWS,weblink Solar-eclipse fever means counterfeit glasses are flooding Amazon's market, Wolfson, Elijah, Quartz, August 19, 2017, July 27, 2017, As one example, the Springdale Library in metropolitan Pittsburgh, Pennsylvania, accidentally passed out dozens of pairs of counterfeit eclipse glasses, but as of August 23 had not received any reports of eye damage.NEWS,weblink Springdale library 'sickened' by discovery of counterfeit eclipse glasses, Trib Live, metro Pittsburgh, Madasyn, Czebiniak, August 23, 2017, September 2, 2017, On July 27, 2017, Amazon required all eclipse viewing products sold on its website have a submission of origin and safety information, and proof of an accredited ISO certification. In mid-August 2017, Amazon recalled and pulled listings for eclipse viewing glasses that "may not comply with industry standards" and gave refunds to customers who had purchased them.NEWS,weblink How to tell if your solar eclipse glasses are safe or fake, CNET, August 19, 2017, Matt, Elliott, August 19, 2017, NEWS,weblink Amazon offers refunds to customers who bought fake eclipse glasses, CBC News, August 19, 2017, August 15, 2017,

Camera equipment damage

Lensrentals, a camera rental company based in Tennessee, reported that many of its customers returned cameras and lenses with extensive damage. The most common problem reported was damage to the camera's sensor. This most often happens when shooting in live view mode, where the sensor is continuously exposed to the eclipse image and becomes damaged by the Sun's light. Another problem was the heat and brightness of the eclipse destroying the lens iris, which mechanically regulates the amount of light that enters the camera. Another problem reported was one of a cinema camera's neutral-density filter being damaged by the heat and light of the eclipse. The cost of all of this damage likely amounted to thousands of dollars.NEWS,weblink Rental Camera Gear Destroyed by the Solar Eclipse of 2017, September 1, 2017, LensRentals Blog, November 12, 2017, en-US,

Planning

File:Road Sign SOLAR ECLIPSE TODAY - IMG 20170821 172443 (cropped).jpg|thumb|A variable-message sign on U.S. Route 64 in North CarolinaU.S. Route 64 in North CarolinaOfficials inside and near the path of totality planned{{snd}}sometimes for years{{snd}}for the sudden influx of people.WEB,weblink Local tourism, businesses make plans for solar eclipse in 2017, Mariano, Nick, June 17, 2016, The Southern Illinosian, July 29, 2017, Smaller towns struggled to arrange viewing sites and logistics for what could have been a tourism boom or a disaster.WEB,weblink Total solar eclipse offers small towns a tourism boom—if they can get ready, Serven, Ruth, July 13, 2017, The Kansas City Star, July 29, 2017, In the American West, illegal camping was a major concern, including near cities like Jackson Hole, Wyoming.WEB,weblink Wyoming prepares for total solar eclipse in 2017, August 19, 2017, CTV News, Associated Press, August 24, 2017, Idaho's Office of Emergency Management said Idaho was a prime viewing state, and advised jurisdictions to prepare for service load increases; nearly every hotel and motel room, campground, and in some cases backyards for nearly {{convert|100|mile|km}} north and south of the path of totality had been reserved several months, if not years, in advance.WEB,weblink Letter to Eclipse Communities, Richy, Brad, July 29, 2017, Idaho Office of Emergency Management, The state anticipated up to 500,000 visitors to join its 1.6 million residents.WEB,weblink Oregon eclipse traffic is already backing up. Idaho has an app for that., Moeller, Katy, August 17, 2017, The Idaho Statesman, August 17, 2017, Oregon deployed six National Guard aircraft and 150 soldiers because the influx of visitors coincided with the state's fire season.WEB,weblink Oregon governor authorizes National Guard for solar eclipse, July 27, 2017, KBTX-TV, July 29, 2017, Associated Press, Hospital staffing, and supplies of blood and anti{{ndash}}snake bite antidote, were augmented along the totality line.WEB,weblink Eclipse 2017: Hospitals stock up on blood, rattlesnake bite antidote, Lynne, Terry, August 10, 2017, The Oregonian, August 10, 2017, Also in Oregon, there were reports of hoteliers canceling existing reservations made at the regular market rate and increasing their rate, sometimes threefold or more, for guests staying to view the eclipse.WEB,weblink Oregon hotels unapologetic, silent about widespread eclipse cancellations, Hale, Jamie, April 3, 2017, OregonLive.com, September 8, 2017, The Oregon Department of Justice (DOJ) investigated various complaints and reached settlements with affected customers of at least 10 hotels in the state.WEB,weblink Customers Get Payments From Oregon Hotels That Canceled, Raised Prices For Eclipse, Guevarra, Ericka, July 28, 2017, Oregon Public Broadcasting, September 8, 2017, These settlements included refunds to the customers and fines paid to the DOJ.WEB,weblink Grand Hotel to pay customers for eclipse reservation problems, Bach, Jonathan, July 31, 2017, Statesman Journal, September 8, 2017,

Post-eclipse traffic problems

Although traffic to areas within the path of totality was somewhat spread out over the days prior to the eclipse, there were widespread traffic problems across the United States after the event ended. Michael Zeiler, an eclipse cartographer, had estimated that between 1.85 million and 7.4 million people would travel to the path of the eclipse.NEWS,weblink Get Ready for Major Traffic Jams During the 2017 Solar Eclipse, Space.com, August 21, 2017, Joe, Rao, August 19, 2017, In Oregon, because an estimated one million people were expected to arrive, the Oregon National Guard was called in to help manage traffic in Madras along US 26 and US 97.NEWS,weblink Solar eclipse gridlock: It was so busy in Madras, Ore., they called in the National Guard, Los Angeles Times, August 21, 2017, en-US, 0458-3035, Russ, Mitchell, August 20, 2017, Madras Municipal Airport received more than 400 mostly personal planes that queued for hours while waiting to leave after the eclipse.NEWS, Harbager, Molly, August 21, 2017, Eclipse jams traffic on runways, not just roads, with hundreds of planes in Madras waiting,weblink The Oregonian, August 22, 2017, Officials in Idaho, where the totality path crossed the center of the state, began planning for the eclipse a year in advance. The state Transportation Department suspended construction projects along Interstate 15, which traverses Eastern Idaho, from August 18–22 in order to have all lanes open;NEWS, I-15 projects to shut down for eclipse,weblink KIFI-TV, August 17, 2017, August 24, 2017, August 24, 2017,weblink" title="web.archive.org/web/20170824222522weblink">weblink dead, their counterparts in neighboring Utah, where many were expected to travel the {{convert|220|mi}} north via the highway from the Salt Lake City metropolitan area, did the same. On the morning of the eclipse, many drivers left before dawn, creating traffic volume along I-15 normally not seen until morning rush hour; northbound traffic on the interstate in Box Elder County north of Salt Lake City slowed to {{convert|10|–|15|mph}}.NEWS, Mims, Bob, Traffic into Utah jammed as eclipse fans head home on Interstate 15,weblink Salt Lake Tribune, August 21, 2017, August 24, 2017, The Idaho State Police (ISP) stationed a patrol car along I-15 every {{convert|15|mi}} between Shelley and the Utah border.NEWS,weblink Solar Eclipse Traffic: Interstates Busy as Final Travelers Hit the Road, The Weather Channel, August 21, 2017, August 21, 2017, Ada, Carr, Sean, Breslin, {{Wide image|Traffic jam on I-15 southbound after 2017 solar eclipse, Idaho Falls, ID, strip version.jpg|800px|Traffic backed up on I-15/US 26 south of Idaho Falls|100%|center|alt=A road with vehicles of various types stopped on it, all facing right, stretching out over a grassy, flat landscape away from the viewer, getting farther away to the left. In the foreground is a dirt road and fence}}After the eclipse, traffic more than doubled along I-15 southbound, with extensive traffic jams continuing for eight hours as viewers who had traveled north into the totality path from Utah returned there and to points south. The ISP tweeted a picture of bumper-to-bumper traffic stalled on the interstate just south of Idaho Falls. Motorists reported to local news outlets that it was taking them two hours to travel the {{convert|47|mile}} from that city to Pocatello to the south, a journey that normally takes 45 minutes. Others reported that it took three hours to travel from Idaho Falls to the closer city of Blackfoot, {{convert|30|mile}} farther north of Pocatello.NEWS, Sunderland, Nate, Bumper-to-bumper traffic on I-15 as eclipse viewers leave Idaho,weblink KSL-TV, August 21, 2017, August 24, 2017, In the rest of the state the impact was less severe. Traffic nearly doubled on US 93, and was up 55 percent on US 20.WEB,weblink Solar Eclipse Traffic Counts, Idaho Transportation Department, en-US, August 21, 2017, August 18, 2017, For some northbound travelers on I-15, the Montana Department of Transportation had failed to make similar plans to those in Idaho, scheduling a road construction project to begin on August 21 that narrowed a section of the highway to a single northbound lane, near the exit to Clark Canyon Dam south of Dillon. Though that stretch of highway generally has a traffic count of less than 1,000 vehicles per day, on the day of the eclipse there were over a thousand vehicles per hour at peak times. As a result, traffic backed up as far as Lima, creating a delay of at least an hour for travelers heading northward. Further, as construction had not yet begun, drivers observed cones set up but no workers present on the road. While the state traditionally halts construction projects during high traffic periods, a state official admitted "we ... probably made a bad mistake here in this regard."WEB, Erickson, David, Eclipse: Construction causes huge I-15 traffic jam; Montana official apologizes,weblink Missoulian, August 24, 2017, en, August 23, 2017, File:Traffic in Glendo, WY, after 2017 solar eclipse.jpg|thumb|left|Traffic waiting to get on Interstate 25 at alt=A roadway curving slightly to the right around some tall trees with cars stopped on it. To its right midway through the image a white on green sign says "Glendo, Population 205, Elevation 4718In Wyoming, estimates were that the population of the state, officially 585,000, may have doubled or even tripled, with traffic counts on August 21 showing 536,000 more cars than the five-year average for the third Monday in August; a 68 percent increase. One official offered an estimate of "two people in every car" to arrive at a one-million-visitor figure, and others noted that one million was a conservative estimate based on a one-day traffic count of limited portions of major highways. There were additional arrivals by aircraft, plus travelers who arrived early or stayed for additional days.WEB, Peterson, Christine, More than a million people may have visited Wyoming for eclipse; one person came by sea plane,weblink Casper Star-Tribune Online, August 24, 2017, en, August 23, 2017, Two days before the eclipse, traffic increased 18 percent over a five-year average, with an additional 131,000 vehicles on the road.WEB,weblink Traffic increases 18 percent over a five-year average on Saturday as Aug. 21 eclipse nears, Wyoming Department of Transportation, August 21, 2017, Sunday saw an additional 217,000-vehicle increase.Following the eclipse, more than 500,000 vehicles traveled Wyoming roads, creating large traffic jams, particularly on southbound and eastbound highways.WEB,weblink Wyoming solar eclipse traffic jam was one for the record books, August 22, 2017, The Denver Post, August 24, 2017, Libby, Rainey, Drivers reported that it took up to 10 hours to travel {{convert|160|mi}} into northern Colorado. There was one traffic fatality,WEB, Sanderson, Shane, Highway patrol releases new details about Colorado motorcyclist killed in Eclipse traffic,weblink Casper Star-Tribune Online, August 24, 2017, en, August 23, 2017, and another fatality related to an off-highway ATV accident, but in general there were far fewer incidents and traffic citations than authorities had anticipated.WEB, Sanderson, Shane, Eclipse keeps highway patrol busy, but local authorities respond to fewer incidents than expected,weblink Casper Star-Tribune Online, August 23, 2017, August 24, 2017, en, File:Post Solar Eclipse traffic at I-75 in Tennessee.jpg|thumb|Traffic at a ramp to Interstate 75 near Sweetwater, TennesseeSweetwater, TennesseeIn Tennessee, the Knoxville News Sentinel described the traffic problems created by the eclipse as the worst ever seen in that part of the state. One backup along Interstate 75 reached {{convert|34|mi}} in length, between Niota and the Interstate 40 interchange at Farragut. A spokesman for the state's Department of Transportation allowed that the traffic jams were the worst he had seen in six and a half years on the job, noting that accidents had aggravated the already heavy traffic flows, attributed the I-75 congestion to Knoxville-area residents heading for the totality path at Sweetwater and returning during what was the city's normal afternoon rush hour.NEWS, Jacobs, Don, Worst traffic snarls ever seen in East Tennessee.,weblink Knoxville News Sentinel, August 21, 2017, August 26, 2017, Before the eclipse, state officials had described their traffic expectations as equivalent to that generated by the Bonnaroo Music Festival, the twice-a-season NASCAR Cup Series races at Bristol or the formerly-held Boomsday fireworks festival. "Maybe they should have considered a tsunami of traffic combining all three of those heavily attended events", the News Sentinel commented. The Tennessee Highway Patrol made sure that "[e]very trooper not on sick leave or military leave or pre-approved leave [wa]s working" the day of the eclipse; the state DOT made sure its full complement of emergency-aid HELP trucks were available as well. Alert signs on the highways also warned motorists not to pull over onto the shoulders to watch the eclipse as it could increase the risk of dangerous accidents and block the path of emergency vehicles.In North Carolina, the Department of Transportation added cameras, message boards and safety patrols in the counties where the total eclipse would take place, as well as stopping road work. The department warned that due to "unprecedented" traffic ordinary activities requiring driving might prove difficult, and advised people to act as if there were snow.NEWS,weblink Western NC ready for eclipse, but roads clogged, Associated Press, Winston-Salem Journal, August 21, 2017, August 21, 2017, In Kentucky, particularly around the Hopkinsville area, which was dubbed "Eclipseville, USA",NEWS,weblink Welcome to 'Eclipseville,' Hopkinsville, Ky, USA, July 22, 2017, Chris, Williams, WHAS, October 17, 2017, post-eclipse traffic caused extensive delays. The en masse departure of tourists via Interstate 69 as well as the Western Kentucky Parkway resulted in commute times double or even triple of normal.NEWS,weblink The rare eclipse was memorable. The ride home was something they want to forget., Lexington Herald-Leader, August 22, 2017, Mike, Stunson, October 17, 2017, Once we left Hopkinsville ... It took us 10 hours to go 210 miles, and we didn't return to our home in Lexington until just after midnight., WEB,weblink WDRB, As solar eclipse ends, traffic stalls heading out of Hopkinsville, August 21, 2017, Katrina, Helmer, October 17, 2017, As of 10 p.m., drivers were still on the roads trying to get back to Louisville more than seven hours after leaving Hopkinsville., The Hopkinsville-to-Lexington commute under normal circumstances lasts three and a half hours.

Impact on solar power

An eclipse causes a reduction of solar power generation where the Moon shadow covers any solar panel, as do clouds.The North American Electric Reliability Corporation predicted minor impacts,WEB,weblink A Wide-Area Perspective on the August 21, 2017 Total Solar Eclipse, 20, April 2017, North American Electric Reliability Corporation, May 1, 2017, The analysis performed in this study showed no reliability impacts to bulk power system (BPS) operations., June 26, 2017,weblink" title="web.archive.org/web/20170626175917weblink">weblink dead, and attempted to measure the impact of the 2017 eclipse.WEB,weblink 2016 Long-Term Reliability Assessment, 70, December 2016, North American Electric Reliability Corporation, April 18, 2017, causes substantial effects to wide-scale solar generation within a very short amount of time. The output generated by PV/solar systems will be either diminished or drastically reduced within the window of this event. Sudden widespread diminishing of solar irradiance may heavily affect areas with large amounts of utility scale PV energy installations or behind-the-meter DERs., In California, solar power was projected to decrease by 4–6,000 megawattsWEB,weblink Solar eclipse on August 21 will affect photovoltaic generators across the country – Today in Energy, U.S. Energy Information Administration (EIA), August 7, 2017, August 13, 2017, at 70 MW/minute, and then ramp up by 90 MW/minute as the shadow passes. CAISO's typical ramp rate is 29 megawatts per minute.WEB,weblink This Summer's Eclipse Will Put California's Solar-Powered Grid to the Test, Julia, Pyper, Greentech Media, May 11, 2017, May 14, 2017, Around 4 GW mainly in North Carolina and Georgia were expected to be 90 percent obscured.After the 2017 eclipse, grid operators in California reported having lost 3,000–3,500 megawatts of utility-scale solar power, which was made up for by hydropower and gas reliably and as expected,NEWS,weblink California is the state that most depends on the sun for energy. It survived the eclipse without losing any., The Washington Post, August 23, 2017, Dino, Grandoni, August 21, 2017, NEWS,weblink California power grid survives solar eclipse unscathed, SFGate, August 23, 2017, David R., Baker, August 21, 2017, mimicking the usual duck curve. Energy demand management was also used to mitigate the solar drop,WEB,weblink Looking Beyond the Eclipse: How the Historic Event Tested Customer Engagement on the Electric Grid, Julia, Pyper, August 21, 2017, August 23, 2017, Today's eclipse is a test run for the electricity community. So we have exactly the same challenge on a regular basis within the grid because of solar., and NEST customers reduced their demand by 700 MW.WEB, DR Dialogue: Nest's Solar Eclipse Rush Hour Rewards Program,weblink www.peakload.org, April 30, 2019, July 19, 2018, NV Energy prepared for the solar eclipse months in advance and collaborated with 17 western states. When the eclipse began covering California with partial darkness, which reduced its usual amount of solar-generated electricity, NV Energy sent power there. Likewise, when Nevada received less sunlight, other west coast states supplied electricity to it. During the solar eclipse, the state of Nevada lost about 450 megawatts of electricity, the amount used by about a quarter million typical residences.{{cn|date=April 2024}}

Commemorative stamp

On June 20, 2017, the USPS released the first application of thermochromic ink to postage stamps in its Total Eclipse of the Sun Forever stamp to commemorate the eclipse.WEB,weblink Total Eclipse of the Sun to be commemorated on a Forever Stamp, April 27, 2017, July 10, 2017, United States Postal Service, WEB,weblink Total Eclipse of the Sun, United States Postal Service, June 27, 2017, store, September 24, 2017,weblink dead, When pressed with a finger, body heat turns the dark image into an image of the full moon. The stamp was released prior to August 21, so uses an image from the eclipse of March 29, 2006 seen in Jalu, Libya.{{clear}}

Videos

File:Greenville SC 2017 eclipse totality time-lapse.webm|Time-lapse footage of Falls Park on the Reedy in Greenville, South CarolinaFile:Shadow bands from solar eclipse 2017-08-21 gamma 0.2.webm|Shadow bands on the ground in Simpsonville, South CarolinaFile:Aug21-2017SolarEclipse.gif|Animation of shadow movement from spaceFile:2017 Total Solar Eclipse in the U.S.webm|Illustration of umbra (black oval), penumbra (concentric shaded ovals), and path of totality (red)File:Visualizing the 2017 All-American Eclipse.webm|Illustration featuring several visualizations of the eventFile:Eclipse_August_21_2017_(short_time-lapse_video).webm|Short time-lapse of umbra as it moves across the cloudsFile:Total Solar Eclipse over Newberry, South Carolina.webm|Video of the moment totality occurred in Newberry, South Carolina

Gallery

Totality

File:SolarEclipseCorvallis Aug 21 2017.jpg|Sequence starting at 9:06{{nbsp}}am, totality at 10:19{{nbsp}}am, and ending at 10:21{{nbsp}}am PDT, as seen from Corvallis, OregonFile:Solar eclipse 2017, Glenrock, Wyoming 11.jpg|Totality and prominences as seen from Glenrock, WyomingFile:Total solar eclipse as seen from Columbia, MO.png|Totality as seen from Columbia, MissouriFile:Uplne zatmenie slnka 2017 Sweetwater Tennessee.jpg|Totality as seen from Sweetwater, TennesseeFile:Solar Eclipse 21082017 01 Kuebi.JPG|Totality as seen from Saint Paul, Clarendon County, South CarolinaFile:Total Solar Eclipse over Newberry, South Carolina.jpg|Totality as seen from Newberry, South CarolinaFile:Corona20170821.jpg|Totality as seen from Grand Teton National Park, WyomingFile:Totaleclipse2017.tif|Totality with stars as seen from Makanda, Illinois

Transition

File:Solar eclipse 2017, Glenrock, Wyoming 09.jpg|Beginning of Diamond ring as seen from Glenrock, WyomingFile:JayEmSolarEclipse.jpg|Diamond ring as seen from Jay Em, WyomingFile:August 21 2017 solar eclipse baily beads TLR2.jpg|Baily's beads before totality from far western NebraskaFile:SolarEclipseDiamondRing.jpg|Diamond ring as seen from Corvallis, OregonFile:Solar Eclipse 21082017 02 Kuebi.JPG|Diamond ring as seen from Saint Paul, South CarolinaFile:Diamond Ring over Newberry, South Carolina.jpg|Diamond ring as seen from Newberry, South CarolinaFile:Solar eclipse viewed from Cullowhee, NC on August 21, 2017.jpg|Diamond ring (with large flare) as seen from Cullowhee, NCFile:BaileyBeads20170821.jpg|Diamond ring as seen from Grand Teton National Park, Wyoming

Partial

File:Partial Eclipse Near Seattle- 1.jpg|Seattle, WashingtonFile:2017 Total Solar Eclipse - ISS Transit (NHQ201708210304).jpg|North Cascades National Park, Washington. The ISS is visible as it transits the Sun during the eclipse (4 frame composite image).File:SanFrancisco2017eclipse.jpg|San Francisco, CaliforniaFile:Solar eclipse as seen from Mira Mesa, San Diego, California.jpg|Mira Mesa in San Diego, CaliforniaFile:Solar eclipse of August 21, 2017 Nebraska TLR1.jpg|Far western NebraskaFile:Eclipse 21-8-2017 (C1 with Sun Spots) 1.jpg|White House, TennesseeFile:The Maine Partial Eclipse A Few Minutes Before The Maximum Coverage.jpg|Maine at 2:41 p.m. EDT before maximum 68% coverage at 2:45 p.m.File:Solar Eclipse August 21 2017 from Brooklyn NY.jpg|Brooklyn, New YorkFile:8-21-17 Solar Eclipse from Maryland, USA.jpg|Ellicott City, Maryland shortly before maximum eclipse (~80%)File:2017-08-21 solar eclipse virginia Beach.jpg|Virginia Beach, VirginiaFile:Solar eclipse partial 2017-08-21 fl=1600mm f8 iso200 1-320th.sec ND5 filter.jpg|Simpsonville, South CarolinaFile:Partial solar eclipse (2017).jpg|Paoli, PennsylvaniaFile:Partial Solar Eclipse over Newberry, South Carolina.jpg|Newberry, South Carolina

Images produced by natural pinholes

(Images of the eclipse created by natural pinholes formed by tree leaves)The_dappled_sunlight_under_the_trees_was_very_strange_before_and_after_totality._(36330876490).jpg|North Cascade mountains (British Columbia and Washington).Solar Eclipse August 21 2017.jpg|East Wenatchee, Washington8-21-17 Eclipse tree shadows in Pittsburgh, Pennsylvania.jpg|Moon, Pennsylvania

Views outside of the US

File:Eclipse_Parcial_de_Sol,_del_21_de_Agosto_2017_01.jpg|Tuxtla Gutiérrez (Chiapas), Mexico at 12:36 GMT-6.File:Eclipse solar del 21 de agosto de 2017 desde Chihuahua, México.jpg|Chihuahua, Mexico at 11:40 a.m.File:2017ko abuztuaren 21eko eklipsea Zarauztik.jpg|Sunset from Zarautz, Basque Country, SpainFile:Eclipse-20170821201032-partial-Coimbra.jpg|Sunset, viewed from Coimbra, Portugal

Related eclipses

Occurring only 3.2 days after perigee (Perigee on Friday, August 18, 2017), the Moon's apparent diameter was larger during the total solar eclipse on Monday, August 21, 2017.There was another solar eclipse in 2017, a large annular solar eclipse (99.223%) on February 26.

Eclipses of 2017

See also

References

{{Reflist|30em}}

Further reading

  • BOOK, Springer, 978-3-319-27630-4, Bakich, Michael E., Your Guide to the 2017 Total Solar Eclipse, New York, NY, 2016, The Patrick Moore Practical Astronomy Series, none,

External links

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