The Virtual Amateur Astronomer®

The Virtual Amateur Astronomer^®, Image of Jupiter and Its Four Galilean Moons, Internet Astronomy by Jupiter Scientific

Four of Jupiter's Moons

Using a low power, you gain look at Jupiter and its four largest moons known as the Galilean Moons: image Jupiter's Moons

The moons are Io, Europa, Ganymede and Callisto. By observing the motions of these four bodies, Galileo realized that they were orbiting Jupiter and not the Earth in contradiction to geocentrism.

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