Cycles of the Moon: Earth, Sun, and Moon Relationship Define the following terms:
Gibbous:
Umbra:
Penumbra:
Total lunar eclipse:
Partial lunar eclipse:
Penumbral eclipses:
Total solar eclipse:
Partial solar eclipso:
Perigee
Apogee:
Annular eclipse:
Why is the moon sometimes visible in the daytime?
Why is it extremely difficult to see the crescent moon in the daytimo?
Why doesn't Earth's shadow on the moon look red during a partial lunar eclipse?
Would a moon orbiting a planet that had no atmosphere glow red during a total eclipse?
Why or why not?