An asteroid 20 times larger than the one that may have wiped out the dinosaurs struck Jupiter's moon Ganymede some 4 billion years ago, dramatically shifting the possibly life-hosting satellite's axis ...
A gargantuan asteroid impact on Ganymede, the solar system’s largest moon, significantly altered the body’s axis, according to a new study in Scientific Reports. Ganymede is a Jovian moon that is ...
The newly discovered moons are "irregular" satellites, meaning they are small (averaging about 3 km across) and have distant, often eccentric orbits.
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