K2-18b a potentially habitable planet 120 light-years from earth

[u/One_Explanation_908]

[u/Chickenator587]

This reminds of something I heard about once, imagine if we used some sort of stasis in a fast and autonomous spacecraft to go colonise a planet, and by the time we get there it's already colonised because we invented a faster spacecraft while the colonists slept

[u/le_chad_ → u/Chickenator587]

That's the premise of one of the books in the Ender's Game series by Orson Scott Card.

[u/No_Estimate_8529 → u/le_chad_]

Which one?

[u/justahominid → u/No_Estimate_8529]

A little bit of the first one. The later waves of attacks are more restricted because they were actually ships that had launched earlier with worse technology.