Word: kivelson
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Dates: during 1990-1999
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...nobody expected these rocks to be anywhere near tropical enough for the liquid stuff. "If we find out four and a half billion years after the formation of the solar system that there's still enough heat that ice will melt on the interior of these bodies," said Margaret Kivelson, one of the researchers behind the study, "we have to do a little bit of rethinking...