Science news articles about 'binary companion'

... that have expelled the majority of its outermost hydrogen-rich layers, while its more mundane binary companion is probably about half as massive as the Wolf-Rayet star, and orbits around it once ...

... rotation of the star powers the emissions, isolated pulsars slow down as they age and lose energy. But a binary companion star can feed material to a pulsar and spin it ...

... the predicted behavior of a thermonuclear explosion on a white dwarf that is drawing helium from its binary companion. This mechanism is quite different from the two standard types of supernovae.