External inflow
it's as if NGC 4565 had a galactic visitor from outside its own disk...
Technical definition
A flow of gas into the galaxy from outside, rather than through internal processes such as star formation or supernovae explosions.
it's as if NGC 4565 had a galactic visitor from outside its own disk...
A flow of gas into the galaxy from outside, rather than through internal processes such as star formation or supernovae explosions.