New simulations show that Jupiter's massive moon Ganymede was knocked off its axis when it was struck by a roughly ...

Close-up of the craters and furrows on Ganymede's surface. Credit: NASA/JPL-Caltech/SwRI Aside from being the biggest of Jupiter's 95 moons, Ganymede is best known for its axial tilt and deep ...

Ganymede's surface is made up of primarily two types of terrain: about 40 percent is dark with numerous craters, and 60 percent is lighter in color with grooves that form intricate patterns to ...

The crater left behind on Ganymede was 25% the size of the Jupiter moon, according to the study. Mark Garlick. Related article Dinosaur-killing asteroid was likely a giant mudball, study says.

Ganymede is a tidally locked moon, which means it always shows the same face to Jupiter—and, as a result of the impact, the crater is permanently shielded from Jupiter’s view.

A colossal asteroid slammed into Jupiter's largest moon Ganymede with so much power it dramatically and permanently reoriented the moon roughly 4 billion years ago, new research suggests.

It also left a temporary crater 1,400 to 1,600 km (870 to 990 miles) across. "I want to understand the origin and evolution of Ganymede and other Jupiter moons," said Hirata.

The impact created a transient crater between 870 miles and 1,000 miles in diameter on Ganymede's surface. Transient craters, commonly studied in laboratory and computational simulations, are the ...

Enki Catena, Ganymede. Enki Catena is a chain crater on Ganymede, one of the Galilean satellites of Jupiter. At latest count, Jupiter has more than 90 moons, a mini planetary system of its own.

The crater left behind on Ganymede was 25% the size of the Jupiter moon, according to the study. Mark Garlick. Related article Dinosaur-killing asteroid was likely a giant mudball, study says.