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Solar eclipses occur when the
Moon gets between the Earth and the Sun,

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allowing the Moon's long shadow
to intersect the Earth.

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This is the April 8th, 2024 total solar eclipse.

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The central part of the shadow,
called the Umbra

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sweeps across the surface
at more than 1500 miles an hour.

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It would move even faster
if the Earth weren't also rotating in the

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same direction.

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The path of the umbra is known
as the path of totality.

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People in that path
see the Moon completely block the Sun

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turning the day into night
and revealing the Sun's

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outer atmosphere, the corona.

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The umbra is over land
for just an hour and forty minutes

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before moving into the North Atlantic and
then skipping off the edge of the Earth.