Ganymede
SpaceGigantic asteroid impact knocked the Solar System’s biggest moon off its axis
About 4 billion years ago, a massive asteroid struck Ganymede, the largest moon in the Solar System causing the moon’s axis to shift.
Joshua Shavit
About 4 billion years ago, a massive asteroid struck Ganymede, the largest moon in the Solar System causing the moon’s axis to shift.
Joshua Shavit