@PunishedD @TrevorGoodchild @Jewpacabra @LukeAlmighty dark matter hangs around because "matter we can't see or detect" makes more sense in the observations than the more esoteric explanations
the maths working out to galactic scale means the math is pretty good; newtonian gravity failed at the solar system scale
doesn't really have anything to do with string theory per se
but it's hard to explain and it sounds retarded, agreed