August 21, 2006

Dark Matter

Posted by Arcane Gazebo at August 21, 2006 3:03 PM

Recently (I think during my Connecticut visit) I was talking to somebody about whether dark matter is real, or just a kind of fudge factor reflecting something we don't understand about gravity. It turns out there's recent evidence that strongly points to the former case—there really is a lot of weakly-interacting stuff out there that can't be explained by modifying general relativity. Sean Carroll explains at Cosmic Variance.

Tags: Physics, Science