Was a Star Ejected from Our Central Black Hole?
“As humankind’s ancestors were learning to walk upright, a star was launched out of the supermassive black hole at the center of our galaxy at a staggering 3.7 million mph (6 million km/h). Five million years after this dramatic ejection, a group of researchers, led by Sergey Koposov of Carnegie Mellon University’s McWilliams Center for…