Planets Thought Dead Might Be Habitable

Astronomers have long talked about a "habitable zone" around a star as being a confined and predictable region where temperatures were not too cold, not too hot, so that a planet could retain liquid water and therefore support life as we know it.

The zone may not be so fixed, it turns out. Some extrasolar planets that one might assume are too cold to host life could in fact be made habitable by a squishing effect from their stars, a new study found.

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See also: -THE BENEFITS OF EARTHS AND SUPER EARTHS-