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A comment on First habitable exoplanet discovered?. Parent comment

Re:First habitable exoplanet discovered? by iwwr on Tuesday May 17, 2011 @02:32AM (#2555533)
Relativistic travel would be one-way essentially. It would allow one to travel the visible universe within a current human lifespan (of course, with ridiculous power requirements). Anything left behind would have experienced thousands of millions of years of time.

Sci-fi dealing with this topic: Forever War, Ender's series, a few stories from Niven's Known Space universe.

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Re:First habitable exoplanet discovered? by robin_reala on Tuesday May 17, 2011 @03:48AM (#2555655)
See also the anime Gunbuster, which has teenagers piloting giant robots (so far no surprise) into deep space at measurable percentages of c. Getting back after saving the world they find their school friends have grown up and had kids.
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