Mimas looks much like our Moon, with a heavily cratered surface. It didn’t host any ... and the moons Ganymede and Callisto, which show hints of oceans. And in the fall of 2024, NASA will ...

These high-res images have yet to be released, meaning the true colouration of the moon’s surface will only be ... Europa and Callisto, which astronomers say could host alien life.

Io is volcanic because of the gravitational pull of Jupiter and three of its other largest moons—Europa, Ganymede and Callisto ... from the moon’s surface. In April this year it took more ...

Because this area and others were disappointing to many fans, The Callisto Protocol had an opportunity to upstage it and earn a positive comparison for itself. The Callisto Protocol’s rigidly ...

and Callisto. The Moon is non-luminous, meaning that it does not produce light. We see the Moon because it reflects light from the Sun, and half of the Moon’s surface is always illuminated.

Icy moon Ganymede—which JUICE will ... for previously seen plumes of water vapor. At Callisto, during 21 flybys JUICE will study its cratered surface, look for evidence of a subsurface ocean ...

When conducting measurements, GALA sends short laser pulses down to the surface of the icy moon currently under investigation, Europa, Ganymede or Callisto. At the surface, the pulses are reflected ...