Total Solar Eclipse 2017: Photos from around the nation A woman adjusts a telescope before the total solar eclipse on the campus of Southern Illinois University on August 21, 2017 in Carbondale, Illinois. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation People adjust telescopes before the total solar eclipse on the campus of Southern Illinois University on August 21, 2017 in Carbondale, Illinois. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21.Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation 2017 Solar eclipse as seen from Madras, Oregon.Photo by: NASA Total Solar Eclipse 2017: Photos from around the nation In this NASA handout, the International Space Station (bottom right), with a crew of six onboard, is seen in silhouette as it transits the Sun at roughly five miles per second during a partial solar eclipse, August 21, 2017 near Banner, Wyoming. Onboard as part of Expedition 52 are: NASA astronauts Peggy Whitson, Jack Fischer, and Randy Bresnik; Russian cosmonauts Fyodor Yurchikhin and Sergey Ryazanskiy; and ESA (European Space Agency) astronaut Paolo Nespoli. A total solar eclipse swept across a narrow portion of the contiguous United State.Photo by: NASA Total Solar Eclipse 2017: Photos from around the nation Solar eclipse fans dressed in festive attire on the beach hoping to view the total solar eclipse if the weather clears on August 21, 2017 in Isle of Palms, South Carolina. It's been 99 years since a total solar eclipse crossed the country from the Pacific to the Atlantic. 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. Isle of Palms is one of last vantage points where totality will be visible. Photo by: Pete Marovich Total Solar Eclipse 2017: Photos from around the nation Solar eclipse watchers on the beach hoping to view the total solar eclipse if the weather clears on August 21, 2017 in Isle of Palms, South Carolina. It's been 99 years since a total solar eclipse crossed the country from the Pacific to the Atlantic. 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. Isle of Palms is one of last vantage points where totality will be visible. Photo by: Pete Marovich Total Solar Eclipse 2017: Photos from around the nation Solar eclipse watchers build a "sand eclipse" on the beach, hoping to view the total solar eclipse if the weather clears on August 21, 2017 in Isle of Palms, South Carolina. It's been 99 years since a total solar eclipse crossed the country from the Pacific to the Atlantic. 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. Isle of Palms is one of last vantage points where totality will be visible. Photo by: Pete Marovich Total Solar Eclipse 2017: Photos from around the nation Brian Marriott of Boston, Massachusetts looks in a storage container on top of his car before watching 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. Photo by: Justin Sullivan Total Solar Eclipse 2017: Photos from around the nation A woman trades eclipse glasses for email addresses August 20, 2017 in Columbia, South Carolina. The state capital city is one of the prime destinations for viewing Monday's solar eclipse and NASA expects clear weather could bring over a million visitors to the state. Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation People set up cameras and telescopes as they prepare to watch the total 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. Photo by: Justin Sullivan Total Solar Eclipse 2017: Photos from around the nation A van displays a written message about 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. Photo by: Justin Sullivan Total Solar Eclipse 2017: Photos from around the nation Morgan Squires, a park employee waits to help park and manage cars as they arrive to view the solar eclipse in Grand Teton National Park on August 21, 2017 outside Jackson, Wyoming. Thousands of people have flocked to the Jackson and Teton National Park area for the 2017 solar eclipse which will be one of the areas that will experience a 100% eclipse on Monday August 21, 2017. Photo by: George Frey Total Solar Eclipse 2017: Photos from around the nation Attendance was light during a concert and carnival on the campus of Southern Illinois University the evening before Monday's solar eclipse on August 20, 2017 in Carbondale, Illinois. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation Campers, in town to view the solar eclipse, relax at their indoor campsites on the campus of Southern Illinois University the evening before Monday's solar eclipse on August 20, 2017 in Carbondale, Illinois. Four hundred campers paid $40-per-night to camp in the gymnasium. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21.Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation Attendance was light during a concert and carnival on the campus of Southern Illinois University the evening before Monday's solar eclipse on August 20, 2017 in Carbondale, Illinois. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation An employee arranges eclipse merchandise at Mast General Store August 20, 2017 in Columbia, South Carolina. Columbia is one of the prime destinations for viewing Monday's solar eclipse and NASA expects clear weather to bring over a million visitors to the state. Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation Crowds wait in line for "eclipse" donuts August 20, 2017 in Columbia, South Carolina. Columbia is one of the prime destinations for viewing Monday's solar eclipse, and NASA expects clear weather to bring over a million visitors to the state. Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation Traffic passes a sign for eclipse parking August 20, 2017 in Columbia, South Carolina. Columbia is one of the prime destinations for viewing Monday's solar eclipse, and NASA expects clear weather to bring over a million visitors to the state. Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation  A man shops for eclipse themed t-shirts at Spirit Communications Park August 20, 2017 in Columbia, South Carolina. Columbia is one of the prime destinations for viewing Monday's solar eclipse and NASA expects clear weather would bring over a million visitors to the state.Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation Dana Hamerschlag tests out a pair of eclipse glasses at the South Carolina State Museum August 20, 2017 in Columbia, South Carolina. Columbia is one of the prime destinations for viewing Monday's solar eclipse and NASA expects clear weather would bring over a million visitors to the state.Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation Children watch a presentation about the eclipse during a drive-in movie at the Historic Columbia Speedway August 20, 2017 in Columbia, South Carolina. Columbia is one of the prime destinations for viewing Monday's solar eclipse and NASA expects clear weather would bring over a million visitors to the state. Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation Books on the solar eclipse are displayed at Wind City Books on August 20, 2017 in Casper, United States. Thouands of people have descended on Casper, Wyoming to see the solar eclipse in the path of totality as it passes over the state on August 21. Photo by: Justin Sullivan Total Solar Eclipse 2017: Photos from around the nation Bobbie Carroll sells shirts at a craft fair in preparation for tomorrow's solar eclipse on August 20, 2017 in Carbondale, Illinois. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation Sophia Neghesti sells eclipse glasses on Main St. August 20, 2017 in Columbia, South Carolina. The state capital city is one of the prime destinations for viewing Monday's solar eclipse and NASA expects clear weather could bring over a million visitors to the state.Photo by: Sean Rayford Total Solar Eclipse 2017: Photos from around the nation A sign advertises parking spots for the Solar eclipse on August 19, 2017 in Makanda, Illinois. With approximately 2 minutes 40 seconds of totality, the town of about 600 people in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation A 15-foot-tall statue of Superman wears solar eclipse glasses on August 18, 2017 in Metropolis, Illinois. Metropolis is located along the eclipse path of totality in Southern Illinois. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson Total Solar Eclipse 2017: Photos from around the nation A vendor sells solar eclipse stickers on August 19, 2017 in Carbondale, Illinois. With approximately 2 minutes 40 seconds of totality the area in Southern Illinois will experience the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21. Photo by: Scott Olson