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U.S. President Donald Trump and Melania Trump watch the solar eclipse from the White House in Washington, U.S., August 21, 2017. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY
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A composite image of the total solar eclipse seen from the Lowell Observatory Solar Eclipse Experience August 21, 2017 in Madras, Oregon. / AFP / STAN HONDA
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The solar eclipse creates the effect of a diamond ring at totality as seen from Clingmans Dome, which at 6,643 feet (2,025m) is the highest point in the Great Smoky Mountains National Park, Tennessee, U.S. August 21, 2017. Location coordinates for this image are 35º33'24" N, 83º29'46" W. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY
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The moon covers the sun during a total eclipse Monday, Aug. 21, 2017, in Cerulean, Ky. (AP Photo/Timothy D. Easley)
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NASA students launch one of 50 high-altitude balloons launched from Casper Collage Wyoming on August 21, 2017. The balloons were launch from 20 locations will offer a view of the solar eclipse from the edge of space. Emotional sky-gazers stood transfixed across North America Monday as the Sun vanished behind the Moon in a rare total eclipse that swept the continent coast-to-coast for the first time in nearly a century. / AFP / Gene Blevins
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Fans lining the outfield wall at Volunteer Stadium take time out from watching an International elimination baseball game between Reynosa, Mexico and Seoul, South Korea at the Little League World Series tournament to take in the eclipse between innings in South Williamsport, Pa., Monday, Aug. 21, 2017. (AP Photo/Gene J. Puskar)
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People watch as the solar eclipse approaches totality from Clingmans Dome, which at 6,643 feet (2,025m) is the highest point in the Great Smoky Mountains National Park, Tennessee, U.S. August 21, 2017. Location coordinates for this image are 35º33'24" N, 83º29'46" W. REUTERS/Jonathan Ernst
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ISLE OF PALMS, SC - AUGUST 21: Solar eclipse watchers were ecstatic as the clouds broke minutes before totality during the total solar eclipse from the one of last vantage points where totality will be visible on August 21, 2017 in Isle of Palms, S.C.. It's been 99 years since a total solar eclipse crossed the country from the Pacific to the Atlantic. The total solar eclipse on June 8, 1918, crossed the States from Washington to Florida. Pete Marovich/Getty Images/AFP / AFP / GETTY IMAGES NORTH AMERICA / pete Marovich
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People watch the total solar eclipse from Clingmans Dome, which at 6,643 feet (2,025m) is the highest point in the Great Smoky Mountains National Park, Tennessee, U.S. August 21, 2017. Location coordinates for this image are 35°33’24" N, 83°29’46" W. REUTERS/Jonathan Ernst
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Astrocon attendees setup telescopes for the Great American Eclipse on August 21, 2017, in Casper, Wyoming. Emotional sky-gazers stood transfixed across North America Monday as the Sun vanished behind the Moon in a rare total eclipse that swept the continent coast-to-coast for the first time in nearly a century. / AFP / Gene Blevins
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Enthusiasts Tanner Person (R) and Josh Blink, both from Vacaville, California, watch a total solar eclipse while standing atop Carroll Rim Trail at Painted Hills, a unit of the John Day Fossil Beds National Monument, near Mitchell, Oregon, U.S. August 21, 2017. Location coordinates for this image is near 44°39'117'' N 120°6'042'' W. REUTERS/Adrees Latif TPX IMAGES OF THE DAY
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Campers from Steamboat Springs, Colo. observe the solar eclipse Tuesday, Aug. 21, 2017, at Shadow Mountain just east of Grand Teton National Park. (Erika Dahlby/Jackson Hole News&Guide via AP)
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WINSTON SALEM, NC - AUGUST 21: Steve Johnson watches the solar eclipse during the third day of the Winston-Salem Open at Wake Forest University on August 21, 2017 in Winston Salem, North Carolina. Jared C. Tilton/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==
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CASPER, WY - AUGUST 21: A partial eclipse is seen from South Mike Sedar Park on August 21, 2017 in Casper, Wyoming. Millions of people have flocked to areas of the U.S. that are in the "path of totality" in order to experience a total solar eclipse. During the event, the moon will pass in between the sun and the Earth, appearing to block the sun. Justin Sullivan/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==
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CASPER, WY - AUGUST 21: A visitor looks at the solar eclipse at South Mike Sedar Park on August 21, 2017 in Casper, Wyoming. Millions of people have flocked to areas of the U.S. that are in the "path of totality" in order to experience a total solar eclipse. During the event, the moon will pass in between the sun and the Earth, appearing to block the sun. Justin Sullivan/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==
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The solar eclipse creates the effect of a diamond ring at totality as seen from Clingmans Dome, which at 6,643 feet (2,025m) is the highest point in the Great Smoky Mountains National Park, Tennessee, U.S. August 21, 2017. Location coordinates for this image are 35º33'24" N, 83º29'46" W. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY
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Astrocon attendees setup telescopes for the Great American Eclipse on August 21, 2017, in Casper, Wyoming. Emotional sky-gazers stood transfixed across North America Monday as the Sun vanished behind the Moon in a rare total eclipse that swept the continent coast-to-coast for the first time in nearly a century. / AFP / Gene Blevins
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NEW YORK, NY - AUGUST 21: Guests await the solar eclipse as Google and Oreo reveal Android OREO at the 14th street park on August 21, 2017 in New York City. Jason Kempin/Getty Images for Oreo/AFP / AFP / GETTY IMAGES NORTH AMERICA / Jason Kempin
Updated 22 August 2017

US Total Solar Eclipse

Totality of the Great American Eclipse on August 21, 2017, at Casper Collage Wyoming. The total eclipse lasted 2 min and 30 sec. Emotional sky-gazers stood transfixed across North America Monday as the Sun vanished behind the Moon in a rare total eclipse that swept the continent coast-to-coast for the first time in nearly a century./AFP-AF/