Colonisation of new planets - What would it take?
It's time for another of my rants on the "let's return to sanity" theme. This time it's about that old pipe dream about colonising and/or terraforming other planets. Many tech bros and broligarchs try to sell us this idea, as if it was just a matter of willpower alone while laws of physics is merely opinions. And again I feel that the culprit is science fiction, with all the pseudo science invented for different franchises to make them more believable. I've been a science fiction fan since I was child. I might even qualify as a science fiction buff, but let's not go into that. I like science fiction and am also very interested in astronomy and astrophysics. I love games like Elite: Dangerous (and older space game franchises like Wing Commander), where you travel light years with about as little effort as driving down to the corner shop in real life. However, it's very important to keep science fiction separated from science. Journeys to outer space i...