- 25 billion https://www.nationalgeographic.com/magazine/2019/03/extraterrestrial-life-probably-exists-how-do-we-search-for-aliens/?cmpid=org=ngp::mc=social::src=reddit::cmp=editorial::add=rt20190214ngm-sciencewearenotalone::rid= 8 comments aliens
- There are more planets than there are stars, and at least a quarter are Earth-size and could support life. Meaning that in the Milky Way alone, there are at least 25 billion places where life could exist. https://www.nationalgeographic.com/magazine/2019/03/extraterrestrial-life-probably-exists-how-do-we-search-for-aliens/?cmpid=org=ngp::mc=social::src=reddit::cmp=editorial::add=rt20190214ngm-sciencewearenotalone::rid= 613 comments space
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