Astronomy on MSN

The Sky Today on Monday, November 17: The Moon hangs with Spica

Looking for a sky event this week? Check out our full Sky This Week column. November 16: Iapetus at western elongation The ...
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Jupiter’s Moon Ganymede Like You’ve Never Seen It Before

Our solar system’s largest moon, Ganymede of Jupiter, has never been completely mapped — until now. Scientists led by Wheaton College’s Geoffrey Collins combined data from NASA’s Voyager 1, 2 and ...