
Liquid Water Under the Martian Polar Ice? Maybe Not
Planetary Radio: Space Exploration, Astronomy and Science
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What Is an Earthlike World?
We know that mass is one of the p deciding factors of what is or isn't considered an earthlike world. But there's a lot more o and it's of murky definition, if you can even call it that. Habitability is definitely some part of that equation, right? A being in that goldy lock zone, the not too hot, not too cold, region where liquid water could theoretically pool,. i think a that's what makes a candidate for an earth like world certainly more interesting.
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