Explanation: This picture was taken by the Voyager 2 spacecraft in 1989 - the only spacecraft ever to visit Neptune. Neptune will be the farthest planet from the Sun until 1999, when the elliptical orbit of Pluto will cause it to once again resume this status. Neptune, like Uranus, is composed mostly of liquid water, methane and ammonia, is surrounded by a thick gas atmosphere of mostly hydrogen and helium, and has many moons and rings. Neptune's moon Triton is unlike any other and has active volcanoes. The nature of Triton's unusual orbit around Neptune is the focus of much discussion and speculation.

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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: Neptune - Solar System - Neptun - Triton - sputniki planet - kol'ca planet Publikacii so slovami: Neptune - Solar System - Neptun - Triton - sputniki planet - kol'ca planet
Sm. takzhe: Neptun noch'yu Okruzhennyi kol'cami ledyanoi gigant Neptun Semeinyi portret Solnechnoi sistemy Polumesyacy Neptuna i Tritona Stranniki Planety Solnechnoi sistemy: naklony i vrashenie Padenie shara v Solnechnoi sisteme Vse publikacii na tu zhe temu >>