by Boomer12k » Wed Jun 29, 2011 4:52 am
The collision of four smaller clusters is going to be even and symmetrical? That is kind of limited thinking when we know now that the Universe is a chaotic place.
Who says the hot gas and dark matter distribution has to match? They are two different things. Two galaxies collide, their motion stalls as the gravity of both works to coalesce them together. Yet their dark matter continues on in the direction they were going like two remote control cars with marbles on them when they crash. The cars stop, but the marble fly off and keep going. So I would expect them to act differently. So of course four clusters collide and the distribution is different, and uneven, there are four of them!
And yet this whimsical stuff (dark matter) that keeps going is supposed to hold the galaxies together so everything spins at the same observed rate? And it is 75 percent of the mass in this picture? It is either of very much more mass and acts as one, or it is like neutrinos, so slight and small and different that it is barely affected by anything. Dark Matter is strange stuff indeed.
:------======= <-Smiley looking in telescope.
The collision of four smaller clusters is going to be even and symmetrical? That is kind of limited thinking when we know now that the Universe is a chaotic place.
Who says the hot gas and dark matter distribution has to match? They are two different things. Two galaxies collide, their motion stalls as the gravity of both works to coalesce them together. Yet their dark matter continues on in the direction they were going like two remote control cars with marbles on them when they crash. The cars stop, but the marble fly off and keep going. So I would expect them to act differently. So of course four clusters collide and the distribution is different, and uneven, there are four of them!
And yet this whimsical stuff (dark matter) that keeps going is supposed to hold the galaxies together so everything spins at the same observed rate? And it is 75 percent of the mass in this picture? It is either of very much more mass and acts as one, or it is like neutrinos, so slight and small and different that it is barely affected by anything. Dark Matter is strange stuff indeed.
:------======= <-Smiley looking in telescope.