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Alien Earths: why life on other worlds would be far weirder than us
- JoeAltmaier 13y agoSure, red dwarf planets are temperate NOW. But how long have they been that way? What was the star before it became a dwarf? How many billions of years does it take for life to percolate? We're a yellow sun - it took a long time for life to develop here - and our sun has been shining along fairly evenly the whole time. That has to be part of the equation, right?