Enthusiasts Tanner Person, right, 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. Adrees Latif / Reuters
Enthusiasts Tanner Person, right, 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, US. Adrees Latif / Reuters
People watch the solar eclipse on the lawn of Griffith Observatory in Los Angeles, California. Mario Anzuoni / Reuters
Sun spots are visible as the sun emerges from a total eclipse by the moon, on Monday, August 21, 2017, near Redmond, Oregon. Ted S Warren / AP Photo
A woman makes a heart shape with her hands during a partial eclipse of the sun over the 'Roque Nublo' mountain at the Canary Island of Gran Canaria, Spain. Borja Suarez / Reuters
People look towards the sky as enthusiasts gather in Old Havana for the partial solar eclipse in Cuba. Alexandre Meneghini / Reuters
The International Space Station is silhouetted against the sun during a partial solar eclipse as seen from Ross Lake, Northern Cascades National Park, in Washington. Bill Ingalls / NASA via AP
The Anjo Moroni statue atop the church of the Mormons is photographed while the solar eclipse is seen in Manaus, Brazil. Bruno Kelly / Reuters
US president Donald Trump looks up towards the solar eclipse without his protective glasses on as he views the eclipse from the Truman balcony of the White House in Washington, US. Kevin Lamarque / Reuters
A solar eclipse shows through a layer of clouds over the Ravenel Bridge in Charleston, South Carolina. Wade Spees / The Post And Courier via AP
Cole Whittle, left, and Joe Jonas of multi-platinum-selling band DNCE, joined actress Shay Mitchell to celebrate the Great American Eclipse aboard Royal Caribbean's Oasis of the Seas. The ship set sail along the path of totality, offering guests a once-in-a-lifetime view of the epic celestial event. Charles Sykes / Invision for Royal Caribbean International / AP Images
The Saint-They Chapel is seen in silhouette at sunset during a partial solar eclipse, as the moon passes in front of the sun, seen at the Pointe du Van, in Brittany, France. Mal Langsdon / Reuters
The moon covers the sun during a total eclipse in Cerulean, Kentucky. Timothy Easley / AP Photo
Enthusiasts Tanner Person, right, 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. Adrees Latif / Reuters
Enthusiasts Tanner Person, right, 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, US. Adrees Latif / Reuters
People watch the solar eclipse on the lawn of Griffith Observatory in Los Angeles, California. Mario Anzuoni / Reuters
Sun spots are visible as the sun emerges from a total eclipse by the moon, on Monday, August 21, 2017, near Redmond, Oregon. Ted S Warren / AP Photo
A woman makes a heart shape with her hands during a partial eclipse of the sun over the 'Roque Nublo' mountain at the Canary Island of Gran Canaria, Spain. Borja Suarez / Reuters
People look towards the sky as enthusiasts gather in Old Havana for the partial solar eclipse in Cuba. Alexandre Meneghini / Reuters
The International Space Station is silhouetted against the sun during a partial solar eclipse as seen from Ross Lake, Northern Cascades National Park, in Washington. Bill Ingalls / NASA via AP
The Anjo Moroni statue atop the church of the Mormons is photographed while the solar eclipse is seen in Manaus, Brazil. Bruno Kelly / Reuters
US president Donald Trump looks up towards the solar eclipse without his protective glasses on as he views the eclipse from the Truman balcony of the White House in Washington, US. Kevin Lamarque / Reuters
A solar eclipse shows through a layer of clouds over the Ravenel Bridge in Charleston, South Carolina. Wade Spees / The Post And Courier via AP
Cole Whittle, left, and Joe Jonas of multi-platinum-selling band DNCE, joined actress Shay Mitchell to celebrate the Great American Eclipse aboard Royal Caribbean's Oasis of the Seas. The ship set sail along the path of totality, offering guests a once-in-a-lifetime view of the epic celestial event. Charles Sykes / Invision for Royal Caribbean International / AP Images
The Saint-They Chapel is seen in silhouette at sunset during a partial solar eclipse, as the moon passes in front of the sun, seen at the Pointe du Van, in Brittany, France. Mal Langsdon / Reuters
The moon covers the sun during a total eclipse in Cerulean, Kentucky. Timothy Easley / AP Photo
Enthusiasts Tanner Person, right, 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. Adrees Latif / Reuters