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Science & Tech  (tags: astronomy, discovery, interesting, research, space )

- 844 days ago -
Mercury is the closest planet to the Sun and due to its proximity it is not easily seen except during twilight. For every two orbits of the Sun Mercury completes three rotations about its axis and up until 1965 it was thought that the same side of Mercury

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Robert O. (12)
Friday August 2, 2013, 11:12 am
Thanks Frans.

Gvapo T. (22)
Saturday August 3, 2013, 9:53 am
thanks frans ;)

Gvapo T. (22)
Saturday August 3, 2013, 9:53 am
Sending a Green Star is a simple way to say "Thank you"
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