What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary ...
Jupiter reaches opposition, making it brighter and larger than at any other time this year. A rare transit of its moon ...
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 ...
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.
Looking for a sky event this week? Check out our full Sky This Week column. January 9: View the Keystone of Hercules Jupiter ...
On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...
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 ...
Space.com on MSN
Jupiter is at its best and brightest of 2026 tonight! Here's what to expect as the gas giant reaches opposition
Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...
The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...
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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