Only 39 light-years away, astronomers have found seven planets circling a very small “red dwarf” star called Trappist-1. All seven are in or near what we call the “Goldilocks zone:” not too hot, not too cold, but just right for water to remain liquid on the planet. So we all speculate once again, but a little more bravely this time, about whether some of these planets might be home to life.
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