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Old January 16 2013, 11:38 PM   #23
Rear Admiral
Re: Do you want to see the Enterprise in your lifetime?

Here's the thing about traveling to other planets.

We can get to a planet that's 20 light years away, and have it so from the astronaut's perspective only a few months have passed. But from Earth's perspective, more than 20 years will have passed. So it is realistic to travel to other planets, but not in a manner where the astronaut can make the return trip in our lifetimes.

Unless there's some way to cheat relativity that hasn't been discovered yet. I suppose I can't prove it's impossible but I'm not holding my breath.
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