Black Hole or Cosmic Light Switch? | Space News

A new scientific paper describes an unprecedented and “mind boggling” event around a so-called black hole – an event so rapid, energetic and completely unexpected to astronomers, it challenges the very bedrock of black hole theory. A team of scientists studying an active galactic nucleus observed the brightness of a so-called black hole corona drop by a factor of 10,000 in less than one year. A co-author of a new paper on the discovery stated, “We expect that luminosity changes this big should vary on ti