Charles Stross, in a resent post in his Charlie's Diary, posits that due to time, distance and energy requirements, humans are at the very least, unlikely to colonize even the local neighborhood, let alone nearby star systems.
Whether you agree or disagree, Charles has some very inventive and interesting thought experiments that really bring the distances and the times it takes to travel even to say Jupiter.
It's well worth the read just for putting the effort into perspective.
Click the article title or here to go to the post
Whether you agree or disagree, Charles has some very inventive and interesting thought experiments that really bring the distances and the times it takes to travel even to say Jupiter.
It's well worth the read just for putting the effort into perspective.
Click the article title or here to go to the post