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Tagged with escape-velocity planet
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Can a habitable planet be smaller than 0.58 Earth radii?
According to the below image, the lowest escape velocity a planet can have in order to still be able to retain water on its surface and have a temperature above freezing is 6.5 km/s minimum.
With ...
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What should the mass of a planet be in-order for its escape velocity to be near the speed of light? [duplicate]
What should the mass of a planet be in-order for its escape velocity to be the speed of light? Is it even possible? What will it look like from an outside viewer? Will it even be visible in the human ...