Ancient star found zooming out of galaxy in rare discovery

Ancient Star Seen Zooming Through Space at 600 Kilometers Per Second

“Flares” and “Echoes” – Unveiling the Monster Black Hole at Our Galaxy’s Core

Satellites observed for the first time the smaller black hole of a black hole pair at the centre of the galaxy OJ 287. The smaller black hole was revealed by a sudden burst of brightness when it "swallowed" a large slice of the accretion disk surrounding the larger one, turning it into a jet of gas.