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Moons
Moons orbit planets. Earth has 1 moon. Mars has 2 tiny ones. Jupiter has 95! Saturn's moon Titan has a thick atmosphere. Europa (Jupiter's moon) may have an ocean under its icy surface.
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Science — Planets and the Solar System
Moons orbit planets. Earth has 1 moon. Mars has 2 tiny ones. Jupiter has 95! Saturn's moon Titan has a thick atmosphere. Europa (Jupiter's moon) may have an ocean under its icy surface.