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What causes darkness in the middle of a sunny day?

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A total solar eclipse!

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On April 8, 2024,

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people across North America witnessed the Moon

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pass in front of the Sun,

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casting its shadow on Earth.

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About a million miles from our home planet,

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NASA's EPIC camera on the DSCOVR spacecraft 

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captured the passing shadow from space.

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These images from EPIC 

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show the Moon’s shadow racing from Mexico,

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through Texas, and over the Great Lakes,

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at more than 2,000 miles per hour.

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The shadow was roughly 115 miles wide,

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and those lucky enough to be directly in the shadow

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and have clear skies,

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had a rare view of the Sun’s outer atmosphere

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for up to four and a half minutes.

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If you missed it,

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your next chance to see a solar eclipse in the U.S.

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traveling from coast to coast, will be in 2045.

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