>>13245170>(planetary science, climate, maybe biology)>closed loop life support>space propulsionYou don't need a mars colony to do these, just exploring the planet would be sufficient.
>>13246106Which ones? Its not like you're gonna be able to move something ammonia production to mars. Certain industries on mars don't make sense if you're looking for export to earth or elsewhere in the solar system.
>>13245635This is actually one of the reason why a mars colony doesn't make any sense, why are you investing in developing a colony if you're not getting anything out of it?
>>13246133>>13246290>A Mars colony is fulfill my libertarian fantasies rather than be massively hierarchicalA mars society is going be far regimented spartan than anything on earth for a long time. Not to mention all society is top-down, organized, and hierarchical contrary to liberal assertions otherwise.
>More free real estate>Room to expandThere's tons of land on earth that's largely uninhabited, but no one lives there. Earth's deserts and taiga here are far more hospitable than mars.
>>13246261> in case we fuck up with earthMost of existential problems that could ruin the earth wouldn't be offset by a mars colony, and even if they were it makes more sense to not fuck the earth than it is to try and make something out of mars, simply because it takes far less effort.