Friday, April 6, 2018

interstellar travel SF

and TIME ... and DISTANCE
say they WERE HERE ... but 100 million years ago?
and the time and geology smoothed it all over ?

there are a lot of interesting SF storylines that dig into the TINIEST details of how hard it would be to do even a TINY sphere ...

https://en.wikipedia.org/wiki/A_Deepness_in_the_Sky#Interstellar_culture

another good series
https://en.wikipedia.org/wiki/The_Engines_of_God
talks about .... our finding ruins .... say if we were ONLY a million years late ......

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