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by Jeff_Brown 1016 days ago
Would it melt before then? Interstellar space is extremely thin, on the order of 1 atom per cubic centimeter (estimates vary). But, as we learned when Voyager finally left the solar system a few years ago, it is hot as hell. More than 54,000 degrees F according to National Geographic:

https://www.nationalgeographic.com/science/article/interstel...