On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...
Astrum on MSN
How Jupiter turns its moon Io into a volcanic engine
Io orbits so close to Jupiter that gravity alone reshapes its entire surface. Instead of cooling over time, the moon is ...
Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...
The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and ...
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.
The article details a significant astronomical event: the transit of Jupiter's moon Io and its shadow across the gas giant's disk, observed overnight from December 27th into December 28th. The ingress ...
Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with hundreds of active hot spots. Its mountains rise higher than Everest. Its lava ...
Live Science reports on Jupiter’s opposition on January 10, 2026, explaining what it means, how bright Jupiter will appear, where to find it in the sky, and how to see the planet and its four main ...
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