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April 5, 2020 02:34 pm

Could Radioactivity Make Otherwise Frozen Planets Habitable?

sciencehabit writes: Not too close, but not too far. That's long been the rule describing how distant a planet should be from its star in order to sustain life. But a new study challenges that adage: A planet can maintain water and other liquids on its surface if it's heated, not by starlight, but by radioactive decay, researchers calculate. That opens up the possibility for many planets — even free-floating worlds untethered to stars — to host life, they speculate.

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Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Xmt5njy9IQw/could-radioactivity-make-otherwise-frozen-planets-habitable

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