Explanation: In August of 1989 NASA's Voyager 2 spacecraft passed by Neptune, the most distant of the solar system's gas giant planets. Its encounter with Neptune climaxed with its closest approach to Neptune's largest moon Triton. From a distance of about 24,000 miles the robot space probe surveyed Triton's surface, whose temperature averages nearly -400 degrees Fahrenheit, and discovered surprising evidence of a complex and active world. For example, the prominent dark streaks in this image seem to come from small volcanoes and may consist of nitrogen frost mixed with organic compounds ejected during geyser-like eruptions.

For more information about Triton, see Calvin J. Hamilton's Triton page .

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: triton - Triton - vulkan Publikacii so slovami: triton - Triton - vulkan
Sm. takzhe: Vulkan Vil'yarrika na fone neba Mlechnyi Put' nad goroi Etna Luna i kol'ca iz dyma nad goroi Etna Venera, Luna i dymyashaya gora Polumesyacy Neptuna i Tritona Gora Olimp: samyi bol'shoi vulkan v Solnechnoi sisteme Noch' na zloveshei planete Vse publikacii na tu zhe temu >>