In today's episode I talk about how to find potentially habitable exoplanets in the universe. When looking for potentially habitable exoplanets, it helps to start with worlds similar to our own. But what does "similar" mean? Many Earth-sized rocky planets have been discovered: this suggests the possibility of life. Based on what we observe in our own solar system, it seems unlikely that a large gaseous world like Jupiter would provide habitable conditions. But most of these Earth-sized worlds orbit red dwarf stars. Earth-sized planets in wide orbits around Sun-like stars are harder to spot. We've discovered so many of them in the universe, after we thought Earth was the only potentially habitable planet. But after 2009, when the Kepler telescope launched into space, that spacecraft has been finding countless habitable, well, potentially habitable exoplanets.So tune in to find out how we find them!

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