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Episode 189: Dead planets ? or Not?

Play Nov 6•4:28

We talk about "habitable zones" around stars being confined to predictable regions, where temperatures are not too cold and not too hot, so that planets can retain liquid water and support life as we know it. But perhaps there?s more leeway than we thought. A new study has discovered that some extrasolar planets that we assumed were too cold to host life could in fact be livable. SpaceRef o...

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