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StarsFullpg
neptune_voy2

NEPTUNE

Neptune is almost the same size as Uranus but more blue in colour.

It is 30 times as far from the Sun as the Earth and receives little more than a thousandth of the amount of light and heat that the Earth does. However, heat flows up from the interior of the planet and churns up the atmosphere creating massive storms.

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Distance from Sun (million km): 4,497 57.9
Year (time to go round the Sun): 164.8 Earth years 88 Earth days
Day (time to revolve round axis): 16 hours 7 minutes
Diameter at equator (km): 50,538
Known moons: 8
Mass (Earth = 1): 17.2
Gravity at surface (Earth = 1): 1.2