No, not the fuzzy ape. That’s gibbon.
Gibbous is when the moon is fuller than half-full.
So we know the moon’s phases result from the relationship between the position of the moon, the earth, and the sun, which always shines on half of the moon, just like it always shines on half the earth.
Think of it this way:
Christina Wang is an aspiring law-student who has no “objection” to making bad puns. She’s a student by day, artist by night, and nerd all the time. She lives in Southern California with her turtle and fish. Follow her on tumblr at planetbob.tumblr.com