Astronomy Answers: From the Astronomical Dictionary

Astronomy Answers
From the Astronomical Dictionary


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Galatea

A moon of 175 km diameter at about 61,950 km from the planet Neptune. The gravity at its surface is about 0.0033 times as strong as on Earth. The moon goes once around its planet in about 10.3 hours. The moon was discovered in 1989. Also called NVI (Neptune six). Its provisional designation was S/1989 N4.