View Full Version : One of Jupiter's Moons is Melted!

2010-Jan-25, 04:20 PM
Jupiter's two moons Ganymede and Callisto could be considered paternal twins. They have a similar composition and size, but visually, they are very different. Also, data from the Galileo and Voyager spacecraft reveal the two moons' interiors are very dissimilar, as well. The reasons for the differences have eluded scientists for 30 [...]

More... (http://www.universetoday.com/2010/01/25/one-of-jupiters-moons-is-melted/)