Companion planets can increase old worlds chance at life - Having - TopicsExpress



          

Companion planets can increase old worlds chance at life - Having a companion in old age is good for people -- and, it turns out, might extend the chance for life on certain Earth-sized planets in the cosmos as well. Planets cool as they age. Over time their molten cores solidify and inner heat-generating activity dwindles, becoming less able to keep the world habitable by regulating carbon dioxide to prevent runaway heating or cooling. ow.ly/2L4fzK
Posted on: Fri, 01 Aug 2014 15:22:34 +0000

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