Astronomy on MSN
The sky today on Saturday, February 7: Ganymede disappears
Looking for a sky event this week? Check out our full Sky This Week column. February 6: Cancer's other open cluster Jupiter ...
Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...
Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...
A new discovery suggests the possibility of an exomoon with an unprecedentedly large mass, thousands of times larger than any moon in our Solar System.
The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.
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