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S/2004 N1, a moon of Neptune

S/2004 N1, a moon of Neptune
S/2004 N1, a moon of Neptune S/2004 N1 is the fourteenth known moon of Neptune. It was discovered by Mark Showalter in 2013 during a search for ring arcs at Neptune in archival Hubble Space Telescope images. NASA, ESA, and M. Showalter (SETI Institute)

Original Hubblesite story here.