Jupiter reaches opposition, making it brighter and larger than at any other time this year. A rare transit of its moon ...
Astronomy on MSN
The Sky This Week from January 9 to 16: Jupiter at opposition
The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.
Callisto, Jupiter's second-largest moon, may have a rocky surface with an ocean beneath the surface. If there was a contest for the most interesting moon in our solar system, Callisto would be a ...
A recent analysis finds up to 1,000 times more molecular oxygen than can be explained by prevailing theories about where it comes from. Eric Mack has been a CNET contributor since 2011. Eric and his ...
New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world. Credit: NASA / JPL / DLR A moon of Jupiter about the size of Mercury likely has a ...
Newly released high-resolution images have revealed Jupiter’s moon Callisto in extraordinary detail. The surface features ...
Looking for a sky event this week? Check out our full Sky This Week column. January 9: View the Keystone of Hercules Jupiter ...
Gaze up at the night sky and picture a world bigger than Mercury but lost well out of sight. Jupiter's moon Callisto, cratered and icy, could conceal mysteries beneath its battered surface. Callisto's ...
If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other planetary ...
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