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Jupiter's moon discovered by Galileo
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Jupiter's moon is discovered by Galileo
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Jupiter's moon is discovered by Galileo
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Jupiter's moon is discovered by Galileo
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Saturn's moon discovered by Huygens
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7th planet discovered by Herschel
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8th planet discovered by Adams and Leverrier
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Neptune's moon discovered by Lassell
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Mar's moon discovered by Hall
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Mar's moon discovered by Hall
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Dwarf planet discovered by Tombaugh
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Uranus's moon discovered by Kuiper