Bulge fraction
like a big fat layer about the size of several skyscrapers on top of each other, all pressed together
Technical definition
A measure of the proportion of the mass of a galaxy that is contained within its central region (the bulge).
like a big fat layer about the size of several skyscrapers on top of each other, all pressed together
A measure of the proportion of the mass of a galaxy that is contained within its central region (the bulge).