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more evidence for dark matter---another cluster collision
http://arxiv.org/abs/0806.2320
this has some similarities to the famous Bullet Cluster collision
where the ordinary matter gas had collided and gotten stopped and the galaxies with their DM had passed on thru
it's reassuring to get a repeat of that
http://arxiv.org/abs/0806.2320
this has some similarities to the famous Bullet Cluster collision
where the ordinary matter gas had collided and gotten stopped and the galaxies with their DM had passed on thru
it's reassuring to get a repeat of that