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by babylon5 211 days ago
It's cold out there, why would it melt?
4 comments
hdgvhicv 210 days ago
It would ablate due to interstellar hydrogen, but that’s so rare over a billion years you’re taking a few millimetres.
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lmm 211 days ago
It's got a very long time to do so. Like how a bowl of water evaporates at room temperature.
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jethronethro 211 days ago
Heat ray from a passing flying saucer?
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DecentShoes 211 days ago
Radiation?
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