Multiple choice

Why does the shadowed area on Earth constantly change during an eclipse?

  1. the Sun is orbiting Earth

  2. the Sun is orbiting the Moon

  3. the Earth & Moon are in constant motion

  4. the Earth is not moving at all
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The shadow changes because both the Earth and the Moon are in constant motion relative to each other and the Sun.

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