No, it DOES vary, just within the mathematical formula
You just said the opposite:
Show me the formula for how much dark matter each galaxy needs for it to stay 'together'. From what I've seen there is no formula, just random guesses until the correct amount is arrived at for EACH galaxy looked at.
(Score: 1) by khallow on Sunday March 31 2019, @04:08AM
You just said the opposite: