Thursday, April 18, 2013

the moon

there is a face on the moon that i visible by the naked eye. and when its full and on the horizon it looks amazing.but did you know that the moon is actually rotating on an axis, just like planet earth, while it is orbiting the around the earth?want to know why the face of the moon is the only side we see? well here is why. Earth has a rotational period of 24 hours. so each hemisphere can get equal number of light from the sun. the earth's orbit period is about 365 days. that the amount of time it takes the earth to rotate around the sun.(keep that in mind). Now the moon, has a rotational period of about 27 days, its orbital period is about 27 days. so when the moon is opposite of the sun and is very bright we will always see the same face, and when the moon is dark it will be closer to the sun so the moons own shadow from the sun prevents us from seeing the other side.its not a big mystery, but just a random fact many people may ask.

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