Jupiter's cratered moon, Callisto

January 26, 2015 2:26 PM

17 0

The speckled object depicted here is Callisto, Jupiter's second largest moon. This image was taken in May 2001 by NASA's Galileo spacecraft, which studied Jupiter and its moons from 1995 until 2003.

Similar in appearance to a golf ball, Callisto is covered almost uniformly with pockmarks and craters across its surface, evidence of relentless collisions. In fact, Callisto is the most heavily cratered object in the Solar System. The moon is made up of equal parts of rock and ice – the brighter pa...

Read more

To category page