Jovian Moons [ID: 1]

There are at least 63 jovian moons! The largest four moons, Io, Europa, Ganymede and Callisto, are called the Galilean satellites because they were discovered by Galileo. We do not get close to them because Juno is in a polar orbit, but occasionally the spacecraft is close enough for images to be worthwhile. For example at PJ17 we imaged a volcanic plume erupting from Io!


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  1. comment by Bradshaw-73 on 2019-11-11 01:54 UT

    I would love to see more detailed pictures of the many moons of Jupiter.

  2. comment by Kapur-96 on 2019-11-11 00:51 UT

    It would be so cool to see time lapse photography of Io and its tidal Flexing, are there any images like this?

  3. comment by Shimanto-18 on 2019-11-09 23:59 UT

    This is an very interesting picture. I think there are many things and mysterious in this earth remained unknown. As I saw this picture, I was wondering how volcanic plume erupting from lo?