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Astronomers have just found the most Earth-like planet we’ve ever seen so far. They call it Gliese 581g or the “Goldilocks Planet” — not too hot and not too cold — and maybe just right for life.
For as long as we’ve gazed at the heavens, we’ve never seen a planet that looks quite like us. Some planets were too close to their sun, and some were too far away. Now host Bruce Gellerman asks astrophysicist Neil deGrasse Tyson about the “Goldilocks” planet that is potentially just right for life.