Space, the final frontier
Astronomy & Space Exploration
Friday, 18 February 2011
NEPTUNE
Basic Details:
Sidereal Period: 60,190.3 days
Rotation Period: 16h 7m
Mean Surface Temperature: -220 C
Diameter: 50,538 km (31,410 miles)
Neptune is the eighth planet from the sun.
Its largest moon is Triton.
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