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Period: Jan 1, 1500 to
Discovery of Earth, Moon, Sun, Mercury, Venus, Mars, Jupiter, and Saturn
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Discovery of Callisto, Europa, Ganymede, and Io
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Discovery of Titan
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Discovery of Iapetus
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Discovery of Rhea
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Discovery of Dione and Tethys
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Discovery of Uranus
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Discovery of Oberon and Titania
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Discovery of Enceladus and Mimas
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Discovery of Neptune and Triton
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Discovery of Hyperion
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Discovery of Ariel and Umbriel
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Discovery of Phobos and Deimos
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Discovery of Amalthea
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Discovery of Phoebe
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Period: to
27 Moons Discovered by Voyager Spacecrafts
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Pluto Designated a Dwarf Planet