Nereid

Nereid, the last satellite of Neptune to be discovered before NASA Voyager's recent discoveries, was first seen by Gerard Kuiper in 1949. Until this Voyager 2 image was obtained, all that was known about Nereid was its orbital parameters and intrinsic brightness. This Voyager view of Nereid was obtained on Aug. 24, 1989 at a distance of 4.7 million kilometers (2....

More: https://images.nasa.gov/details/PIA00054
Credit: NASA/JPL

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