News for hackers. Stuff that matters.
Re:Post-Detection SETI Protocols and METI: The Time Has Come... by grzm on Saturday February 11, 2017 @07:21PM (#13625751)
and a life span that makes it reasonable to undertake the journey from your home-world to the Earth.

You can even relax this requirement if you're willing to consider generation ships: https://en.wikipedia.org/wiki/Generation_ship

There are no comments on this comment yet.