1) Compact star
Found on
https://www.crosswordclues.com/clue/x-ray-binary
X-ray binaries are a class of binary stars that are luminous in X-rays. The X-rays are produced by matter falling from one component, called the donor (usually a relatively normal star), to the other component, called the accretor, which is compact: a white dwarf, neutron star, or black hole. The infalling matter releases gravitational potential e...
Found on
http://en.wikipedia.org/wiki/X-ray_binary
Artist's impression of a vast cloud of superheated gas whirling around an asteroid-sized cannibal star, part of a low-mass X-ray binary star system. Credit: ESA An X-ray emitting binary star that consists of a neutron star or, rarely a black hole, and a normal stellar companion. The X-rays come f...
Found on
http://www.daviddarling.info/encyclopedia/X/X-ray_binary.html
No exact match found.
