<![CDATA[io9: Charon]]> http://cache.io9.com/assets/base/img/thumbs140x140/io9.com.png <![CDATA[io9: Charon]]> http://io9.com/tag/charon http://io9.com/tag/charon <![CDATA[Pluto has a poisonous carbon monoxide atmosphere]]> After almost twenty years of hunting for telltale clues, we now know that the demoted planet Pluto has an atmosphere of small but still very deadly amounts of carbon monoxide gas which helps keep it at incredibly cold temperatures. More »
]]> http://io9.com/index.php?op=postcommentfeed&postId=5793758&view=rss&microfeed=true <![CDATA[Satellite Smackdown — Which Moon is the Solar System's Awesomest?]]> A little while back, io9er Ed said Titan was "The Awesomest Moon in the Solar System." Well where I come from, them's fightin' words. What about Earth's Moon? Mars' Phobos? Europa?? There are boatloads of kickass moons in the solar system. We break down ten contenders in a highly scientific chart to settle this debate, once and for all. More »
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