can humans migrate to the nearest star from earth? If yes, how long will it take to spread humans throughout the Milky Way galaxy. if that is possible..then to the next galaxy after that..
https://www.nextbigfuture.com/2018/07/better-analysis-shows-good-chance-humanity-is-alone-then-humanity-must-spread-through-universe.html https://www.nextbigfuture.com/2018/07/better-analysis-shows-good-chance-humanity-is-alone-then-humanity-must-spread-through-universe.html
