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Triton
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moons of Neptune: Triton Neptune Neptune: Triton Triton
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View of the Andromeda Galaxy (Messier 31, M31).
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Space Odyssey
Saturn. Saturn and its rings. Second largest planet of the solar system. Space Art
Planets and the Earth’s Moon
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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Buzz Aldrin. Apollo 11. Apollo 11 astronaut Edwin Aldrin, photographed July 20, 1969, during the first manned mission to the Moon's surface. Reflected in Aldrin's faceplate is the Lunar Module and astronaut Neil Armstrong, who took the picture.
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Triton, largest of Neptune’s moons, whose unusual orbital characteristics suggest that it formed elsewhere in the solar system and was later captured by Neptune. It was discovered by the English astronomer William Lassell in October 1846, only a few weeks after the discovery of Neptune itself. Triton was named after a merman in Greek mythology who was the son of the sea god Poseidon (the Roman god Neptune). Triton is unique among the large moons of the solar system in that it moves in a retrograde orbit—i.e., one that is opposite the direction of Neptune’s rotation. Its mean orbital distance ...(100 of 1042 words)

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