Colliding black holes are reported for a fifth time
![colliding black holes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/11/111617_to_ticker-black-hole_free.jpg?fit=860%2C460&ssl=1)
BLACK HOLE BOUNTY Gravitational waves have been spotted from two merging black holes (illustrated above), the fifth reported detection.
Mark Garlick/Science Photo Library/Alamy Stock Photo
BLACK HOLE BOUNTY Gravitational waves have been spotted from two merging black holes (illustrated above), the fifth reported detection.
Mark Garlick/Science Photo Library/Alamy Stock Photo