Triton Image
Voyager 2 Image

Triton is about three-quarters the size of our own Moon, with a diameter of 2,700 km. The Voyager 2 space probe in 1989 showed that it has an icy surface of frozen nitrogen and methane which is pinkish in parts. Geysers of gas rise 8 km high from subsurface pockets of liquid nitrogen. Triton is slightly bigger than the planet Pluto, which it is thought to resemble. Probably Triton was once a separate body, like Pluto, but was captured by Neptune. Triton is gradually moving closer to Neptune, and will eventually be broken up by the planet's gravity.

For more information on Triton visit the following link...
The Nine Planets (Triton). (SEDS)

William Lassell (1799-1880) and the discovery of Triton, 1846. by Allan Chapman.
The Discovery of Neptune.
Where did the Neptune papers go?.

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Last modified October 4, 2005