The result shows that pancake electrons come from electrons trapped around Ganymede, confirming the existence of radiation belts around the icy moon! After a few orbits of Ganymede, particles from ...

The asteroid strike would have "completely removed the original surface" of Ganymede, thanks to the crater reaching a whopping 25 percent of the moon's size, the researcher said in a recent statement.

Grey, heavily cratered, and peering out from the black of space, Ganymede looks a lot like our moon. But the icy rock is more than 400 million miles away - it's the largest moon in the solar ...

It’s possible that the small moon may have once held water, like Europa or Ganymede, as ice was once ... all around the globe, so it’s conceivable that the same thing could happen on a distant ...