#455 – Adam Frank: Alien Civilizations and the Search for Extraterrestrial Life

3127.802 - 3150.442 Adam Frank

band of orbits around a star where you can have liquid water on the surface you could take a you know glass of water pour it on the surface and it would just pool up it wouldn't freeze immediately which would happen if your planet is too far out and it wouldn't just boil away if your planet's too close in so that's the formal definition of the habitable zone so it's a nice strict definition there's probably way more going on than that but this is a place to start