NASA Space Place: How Is the Sun Completely Blocked in an Eclipse?

During a total solar eclipse, the Moon passes between Earth and the Sun.

This completely blocks out the Sun’s light. However, the Moon is about 400 times smaller than the Sun. How can it block all of that light?



Launched in 1998, NASA Space Place’s mission is to inspire and enrich upper-elementary-aged kids’ learning of space and Earth science online through fun games, hands-on activities, informative articles and engaging short videos.

With material in both English and Spanish and resources for parents and teachers, NASA Space Place has something for everyone.

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