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Find Jupiter’s Moons

Jupiter's Moons

You Can See Jupiter’s Moons!!

With an inexpensive pair of binoculars anyone can easily see Jupiter’s four largest moons.

These moons are Callisto, Ganymede, Europa, and Io. These fascinating worlds were discovered by Galileo in the early 1600’s.
Ganymede is larger than both the planets Mercury and Pluto, Europa has a liquid water ocean, and Io is covered with powerfully explosive volcanoes.

Through your binoculars, these worlds will look like small stars. First find Jupiter, then use the chart to the left to help you identify each moon.