I believe that humans can colonize the galaxy, but we won't just roam the planet. First off, we need air and vegetation. Also, we would need proper gravity. Not to mention that our bodies need a certain range of atmospheric pressure or we will scatter into atoms or be crushed.
I just don't think using wiki in an argument is good. I know that most of everything on wiki is true because they have people checking quality constantly. Thank you, by the way, for giving me those links to other topics. I would like to hear about any of your ideas on the topic.
I honestly believe that we will go to other solar systems. It will not be in any of our lifetimes but it will happen. We do not have the technology to go to the edge of our own solar system yet so i don't think we will get there any time soon.
This is all talking about manned missions just so everybody knows.
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