https://www.youtube.com/watch?v=Mr11DbfZHXE
https://www.scientificamerican.com/article/the-search-for-extraterrestrial-life-as-we-dont-know-it/
https://svs.gsfc.nasa.gov/10822
https://astrobiology.nasa.gov/news/in-search-of-panspermia/
https://super.abril.com.br/mundo-estranho/quantos-seres-humanos-a-terra-seria-capaz-de-suportar#:~:text=O%20n%C3%BAmero%20de%20habitantes%20da,planeta%20abrigaria%20de%20forma%20sustent%C3%A1vel&text=O%20n%C3%BAmero%20ideal%20seria%20entre,a%203%20bilh%C3%B5es%20de%20pessoas.