Do galaxies have a 'kill switch' that makes them stop growing?
Above a certain threshold, galaxies stop growing , no matter how much raw material they have on hand. The question is: what flips the switch?
🏷️ #galaxies
2 headlinesPossible dark matter-deficient twins discovered in the Fornax Cluster
Astronomers have identified a possible new example of one of the universe's strangest galaxy types: galaxies that appear to contain little or no dark matter. The newly studied pair, FCC 224 and FCC 240, on the outskirts of the Fornax Cluster, share several unusual traits with the only known pair...