Vulcan is close enough to the sun for most of the planet to be molten. The proximity of the planet to the Sun exerts a lot of gravitational energy on Vulcan. Volcanoes dot the surface, and contribute to the heat of the surface.
Identifier (URI) | Rank |
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dbkwik:resource/Wzym-5-2ViKDHt2MCVE0lQ== | 5.88129e-14 |