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Why can we see Venus?

by dmayers94
Tags: astronomy, venus
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Flustered
#37
Apr13-12, 07:51 PM
P: 75
So really the United States could be upside down. But I wouldn't think that because all the pictures I see the USA is upright. Well upright in my definition of up. Does a pole have to be the top of the Earth? Or can the equator in the middle of the Atlantic Ocean be considered a TOP.
SHISHKABOB
#38
Apr13-12, 08:01 PM
P: 614
Quote Quote by Flustered View Post
So really the United States could be upside down. But I wouldn't think that because all the pictures I see the USA is upright. Well upright in my definition of up. Does a pole have to be the top of the Earth? Or can the equator in the middle of the Atlantic Ocean be considered a TOP.
for a rotating spherical body like the earth, the poles are defined as where the axis of rotation intersects with the surface
Redbelly98
#39
Apr13-12, 08:05 PM
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Since the original query has been answered, and things have since drifted way off topic, this thread has been locked.


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