November 29, 2006
Artist's representation of an X-ray nova. The compact object on the right - a neutron star or a black hole - 'swallows' gas from a companion star. The gas swirls in a disk around the compact object at very high velocity (close to the speed of light) and emits X-rays.
Topics: Human Interest, Stars, Star types, Astronomy, Entertainment Culture, Soft X-ray transient, X-rays, Semidetached binaries, Compact star, Exotic matter, Black hole, Neutron star, Observational astronomy, Physics