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Astronomical objects discovered in 1989 | HearLore
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Astronomical objects discovered in 1989
Proteus (moon)The Voyager 2 space probe captured the first images of Proteus in June 1989, just two months before its historic flyby of Neptune. Stephen P.
Rings of NeptuneOn the 22nd of July 1984, Patrice Bouchet and Reinhold Häfner watched a star dim behind Neptune from the La Silla Observatory in Chile.