Total solar eclipse 2017: When the moon swallowed the sun
A total solar eclipse occurs when a moon moves in between the sun and Earth, lasting up to three hours. This year’s solar eclipse was the first continent-wide eclipse that plunged various US cities into darkness. (Photo: AP)
A total solar eclipse occurs when a moon moves in between the sun and Earth, lasting up to three hours. This year’s solar eclipse was the first continent-wide eclipse that plunged various US cities into darkness. (Photo: AP)
The moon is seen as it starts passing in front of the sun during a solar eclipse from Ross Lake, Northern Cascades National Park, in Washington on Monday, Aug. 21, 2017. (Bill Ingalls/NASA via AP)
The moon is seen as it starts passing in front of the sun during a solar eclipse from Ross Lake, Northern Cascades National Park, in Washington on Monday, Aug. 21, 2017. (Bill Ingalls/NASA via AP)
The International Space Station is seen in silhouette as it transits the sun during a partial solar eclipse, Monday, Aug. 21, 2017, near Banner, Wyo. (Joel Kowsky/NASA via AP)
The International Space Station is seen in silhouette as it transits the sun during a partial solar eclipse, Monday, Aug. 21, 2017, near Banner, Wyo. (Joel Kowsky/NASA via AP)
The moon is seen passing in front of the sun during a solar eclipse from Ross Lake, Northern Cascades National Park, in Washington on Monday, Aug. 21, 2017. (Bill Ingalls/NASA via AP)
The moon is seen passing in front of the sun during a solar eclipse from Ross Lake, Northern Cascades National Park, in Washington on Monday, Aug. 21, 2017. (Bill Ingalls/NASA via AP)
The moon is seen passing in front of the sun during a solar eclipse from Ross Lake, Northern Cascades National Park, in Washington on Monday, Aug. 21, 2017. (Bill Ingalls/NASA via AP)
The moon is seen passing in front of the sun during a solar eclipse from Ross Lake, Northern Cascades National Park, in Washington on Monday, Aug. 21, 2017. (Bill Ingalls/NASA via AP)
 This March 9, 2016, file photo shows a total solar eclipse in Belitung, Indonesia. A solar eclipse on Monday, Aug. 21, 2017, is set to star in several special broadcasts on TV and online. PBS, ABC, NBC, NASA Television and the Science Channel are among the outlets planning extended coverage of the first solar eclipse visible across the United States in 99 years. (AP Photo/File)
This March 9, 2016, file photo shows a total solar eclipse in Belitung, Indonesia. A solar eclipse on Monday, Aug. 21, 2017, is set to star in several special broadcasts on TV and online. PBS, ABC, NBC, NASA Television and the Science Channel are among the outlets planning extended coverage of the first solar eclipse visible across the United States in 99 years. (AP Photo/File)
The International Space Station is silhouetted against the sun during a partial solar eclipse Monday, Aug. 21, 2017, as seen from Ross Lake, Northern Cascades National Park, in Washington. (Bill Ingalls/NASA via AP)
The International Space Station is silhouetted against the sun during a partial solar eclipse Monday, Aug. 21, 2017, as seen from Ross Lake, Northern Cascades National Park, in Washington. (Bill Ingalls/NASA via AP)
In this multiple exposure photograph, the phases of a partial solar eclipse are seen over the Gateway Arch on Monday, Aug. 21, 2017, in St. Louis. The Gateway Arch was just a few miles outside of the path of totality. (AP Photo/Jeff Roberson)
In this multiple exposure photograph, the phases of a partial solar eclipse are seen over the Gateway Arch on Monday, Aug. 21, 2017, in St. Louis. The Gateway Arch was just a few miles outside of the path of totality. (AP Photo/Jeff Roberson)
The diamond ring effect appears as the solar eclipse totality ends Monday, Aug. 21, 2017, over the Orchard Dale historical farm near Hopkinsville, Ky. The location, which is in the path of totality, is also at the point of greatest intensity. (AP Photo/Mark Humphrey)
The diamond ring effect appears as the solar eclipse totality ends Monday, Aug. 21, 2017, over the Orchard Dale historical farm near Hopkinsville, Ky. The location, which is in the path of totality, is also at the point of greatest intensity. (AP Photo/Mark Humphrey)
The moon almost totally eclipses the sun during a near total solar eclipse as seen from Salem, Ore., Monday, Aug. 21, 2017. (AP Photo/Don Ryan)
The moon almost totally eclipses the sun during a near total solar eclipse as seen from Salem, Ore., Monday, Aug. 21, 2017. (AP Photo/Don Ryan)
The moon partially covers the sun after a total eclipse Monday, Aug. 21, 2017, near Redmond, Ore. (AP Photo/Ted S. Warren)
The moon partially covers the sun after a total eclipse Monday, Aug. 21, 2017, near Redmond, Ore. (AP Photo/Ted S. Warren)
The moon almost totally eclipses the sun during a near total solar eclipse as seen from Salem, Ore., Monday, Aug. 21, 2017. (AP Photo/Don Ryan)
The moon almost totally eclipses the sun during a near total solar eclipse as seen from Salem, Ore., Monday, Aug. 21, 2017. (AP Photo/Don Ryan)
The moon covers the sun during a total eclipse Monday, Aug. 21, 2017, near Redmond, Ore. (AP Photo/Ted S. Warren)
The moon covers the sun during a total eclipse Monday, Aug. 21, 2017, near Redmond, Ore. (AP Photo/Ted S. Warren)