FACT FILE

Diameter (width across equator): 2,280 kilometres
Average distance from the Sun: 5,900,000,000 kilometres
Average temperature: -230°c
Surface gravity (Earth equals 1): 0.06
Atmosphere: Possibly nitrogen
Length of year (in Earth days/years): 248 years
Period of rotation (length of a day): 6 days, 9 hours
Number of known moons: 1 (Charon)
Speed planet travels at around the Sun (Average orbital velocity): 4.7 kilometres a second
Distinguishing Features: Pluto is the only one of the Outer Planets to have characteristics similar to those of the Inner Planets (eg: small with a solid surface).

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