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Q&A Can my spaceship figure out its position using Cepheid Variables?

In my story, reasonably far in the future, an intrepid group of explorers are on the first manned mission to the Andromeda galaxy, travelling close to the speed of light. They slumbered in suspende...

6 answers  ·  posted 6y ago by HDE 226868‭  ·  last activity 6y ago by HDE 226868‭

Question space reality-check stars map-making galactic
#1: Attribution notice removed by user avatar System‭ · 2020-06-01T14:13:56Z (over 4 years ago) 
Source: https://worldbuilding.stackexchange.com/q/122461
License name: CC BY-SA 4.0
License URL: https://creativecommons.org/licenses/by-sa/4.0/