Ars Technica
1 month agoAstronomers have solved the mystery of why this black hole has the hiccups
Astronomers observed a burst of light from a galaxy with a supermassive black hole, showing periodic energy dips every 8.5 days.
The unusual behavior was caused by a smaller black hole orbiting the supermassive black hole, punching through its accretion disk and releasing gas. [ more ]