spaceplasma:

Lunar libration with phase
Animation of the Moon...



spaceplasma:



Lunar libration with phase

Animation of the Moon as it cycles through its phases, as seen from the Northern Hemisphere. The apparent wobbling of the Moon is known as libration. The apparent change in size is due to the eccentricity of the lunar orbit.


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Published on June 14, 2014 08:05
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