D O C
That is as quick as it gets.
Waxing (gibbous), full, waning.
If you want the long version, look here:
http://en.wikipedia.org/wiki/The_moon
2006-10-22 09:51:24
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answer #1
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answered by zen 7
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Just as we always have half of Earth lit up by the Sun at any given time, the same is true for the Moon. But since the Moon orbits Earth, we don't always see the lit-up side, sometimes we just see part of it, and sometimes we only "see" the dark side. This is why the Moon has phases.
That's the quickest complete answer I can give. If you really want to understand it fully, though, you need to play around with the geometry of it all - where the Moon is relative to the Sun in the sky for each phase, for example. You know you really understand the phases of the Moon if you can tell what time it is by the Moon's phase and position in the sky (assuming it's above the horizon, of course!).
2006-10-22 11:03:22
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answer #2
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answered by kris 6
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