Analysis of information sources in references of the Wikipedia article "Space colonization" in English language version.
We are a circadian species, and if you don't have the proper lighting to maintain that chronobiology, it can create significant problems for crew members
Robert Zubrin, said that the one word he shies away from is colony, preferring settlement because the first "confuses the issue with imperialism."
"We can then conclude that, under the parameters used for those simulations, a minimum crew of 98 settlers is needed for a 6,300-year multi-generational space journey towards Proxima Centauri b," say Marin and Beluffi.
We are a circadian species, and if you don't have the proper lighting to maintain that chronobiology, it can create significant problems for crew members