Question

12. During a lunar eclipse, the moon can become either partially or entirely dark. The outer, or penumbral, shadow is an area when the Earth blocks _________ of the sun's rays from reaching the moon. In contrast, the inner, or umbral, shadow is a region where Earth blocks _________ direct sunlight from reaching the moon.

Answer 1

During a lunar eclipse, the moon can become either partially or entirely dark. The outer, or penumbral, shadow is an area where the Earth blocks **some** of the sun's rays from reaching the moon. In contrast, the inner, or umbral, shadow is a region where the Earth blocks **all** direct sunlight from reaching the moon.