Joined: June 2007
[Graffiti moved to Bathroom Wall. -Admin]
A human could, in theory, travel to other galaxies if he had a constant acceleration 1g drive. Of course, the galaxy may not be where it was when he started by the time he gets there. At a constant 1g time dilation would become a major effect very quickly. No generation ships required, though since its a one way trip in most cases, bringing a breeding population for your new colony is not a bad idea.
Of course, if you go too far, everything will have changed. The planet you wanted to colonize and its star will have died long ago.
To rebut creationism you pretty much have to be a biologist, chemist, geologist, philosopher, lawyer and historian all rolled into one. While to advocate creationism, you just have to be an idiot. -- tommorris