The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing to ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Io, the innermost giant moon of Jupiter, may not have a ...
On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...
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.
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 ...
The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...
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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