Neptune’s “hidden” Moon Discovered On A Whim

Looks like Voyager 2 left at least one stone unturned during its 1989 flyby of Neptune. Astronomers using the Hubble Space Telescope announced the discovery of a new Neptunian moon designated S/2004 N1. It’s the system’s 14th and smallest. On second thought, maybe it’s not so surprising that Voyager missed it; the moon only a…
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