Jupiter's moon Ganymede was hit by an asteroid about 4 billion years ago that was so large the moon's axis shifted as a ... Jupiter’s Main Moon Was Struck By A Colossal Asteroid, Scientists Say.

Jupiter already reigns as king of the planets — it’s the largest one in our solar system. And now, the gas giant has the most known moons, too. Astronomers have observed 12 additional moons ...

Jupiter already reigns as king of the planets — it's the largest one in our solar system. And now, the gas giant has the most known moons, too.Astronomers have observed 12 additional moons ...

Jupiter's largest moon Ganymede, the main target of the JUICE mission, is also believed to possess an ocean, and so might the most distant, crater-riddled Callisto.

Skip to main content. Menu ... This image of Jupiter’s moon Europa was captured by the JunoCam instrument aboard NASA’s Juno spacecraft during the mission’s close flyby on September 29, 2022.

The Jupiter Icy Moons Explorer, or JUICE, is a European Space Agency mission to explore Jupiter and three of its icy moons: Europa, Callisto and Ganymede. Skip to main content Open menu Close menu ...

Jupiter already reigns as king of the planets — it’s the largest one in our solar system. And now, the gas giant has the most known moons, too. Astronomers have observed 12 additional moons ...

Jupiter already reigns as king of the planets — it's the largest one in our solar system. And now, the gas giant has the most known moons, too.Astronomers have observed 12 additional moons ...

Astronomers have observed 12 additional moons orbiting this planet, bringing its total number of confirmed moons to 92. Skip to content. NOWCAST Live Coverage: Procession honoring fallen deputies.