/sci/ - Science & Math

Themselves. They are a blob of matter holding itself thanks to gravity. Like a rotating bubble of water in microgravity, with vanderwaals bounding as gravity.

People often think the galaxy is orbiting sagitarrius A*, the central hypermassive black hole. But its mass is something like 10^6 solar mass, whereas the Milky way is something like 10^11 solar masses. No way we are orbiting this shitty tiny mass.