Why Are Quark Stars So Strange?

What happens if a stellar remnant is too massive to be a neutron star, but not massive enough to become a black hole? Actually, until recently, astrophysicists didn't think there was a grey area between neutron stars and black holes; stellar remnants from a massive star's death had to be one or the other. Now, [...]

January 19, 2010
10:40 PM EST
A conventional view of the size of a quark star compared to a neutron star (NASA)