NASA announced the discovery of Neptune's 14th moon Monday. The Hubble Space Telescope captured the moon as a white dot in photos of Neptune on the outskirts of our solar system.
The new moon — Neptune's tiniest at just 12 miles across — is designated S/2004 N 1.
The SETI Institute's Mark Showalter of Mountain View, Calif., made the discovery. He was studying the segments of rings around Neptune when the white dot popped out, 65,400 miles from Neptune. He tracked its movement in more than 150 pictures taken from 2004 to 2009.
The considerably bigger gas giant Jupiter has four times as many moons, with 67.
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