Even with eclipsing binaries, measuring the properties of stars is no easy task. Stars are deformed as they rotate and pull on each other in a binary system. They interact, they irradiate one another, ...

Earth Does Not Orbit Around the Sun But Around a 'Center of Mass,' Claim Researchers 'How planets revolve' is possibly one of the first extraterrestrial phenomena that educators taught students at ...

When a star explodes to create a stellar-mass black hole, it might give itself a little “kick” and start flying through space, but this kick is random and could send it inward, outward, or in ...