Quote:
Originally Posted by Textcritic
I think it's worthwhile to think of this question also in terms of the sheer size of the universe. Even if the universe is teeming with life, it is all so far away that we have no good reason of ever imagining that we could know one way or the other. It seems reasonable to conclude that nothing travels faster than light, and even at light speed the nearest star is more than a four-year journey away.
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Yeah, I get a kick out of people who say "someday we might be able to travel at light speed or even faster" and reach other stars.
Fact is, light is made of photons and they have no mass, to have anything with mass to travel at the speed of light would take more energy than we could ever imagine and even more energy to slow down and stop!
IMO the only way humans ever leave this planet for another star system is if we send a probe with frozen embryo's in hopes that aliens them in a few million years.