> Black-hole-driven outflows ... probably play a role in heating and expelling gas (thereby suppressing star formation)
I feel like there is a neat science-fiction story in here somewhere :) A hyper-advanced space civilization embarks on a multi-million-year mission to tow black holes into neighboring galaxies in order to suppress star formation there and thus reduce the chances of competing civilization appearing in the next few billion years
I feel like there is a neat science-fiction story in here somewhere :) A hyper-advanced space civilization embarks on a multi-million-year mission to tow black holes into neighboring galaxies in order to suppress star formation there and thus reduce the chances of competing civilization appearing in the next few billion years