Now we understand how rapid a black hollow spins when it shreds a celeb
Ages ago, in a galaxy some 300 million light years away, an unwitting star veered fatally close to a powerful black hole. After shredding the star apart, the black hole ejected pulses of energy into the cosmos. Astronomers received this ancient signal, made of x-rays, in 2014. Now, a team of astrophysicists used these x-rays...CONTINUE READING