In the situation mentioned in the text, the student observed:
An eclipse is a star phenomenon where the moon completely blocks the sun and the Earth is a little bit "darker" than usual at that hour in the day.
You must understand in that case the moon actually doesn't cover the sun, it covers the light of the sun that arrive to the Earth, by this reason, despite the moon is smaller than the sun, how it is closer to the Earth, it could happen.
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