Two black holes with misaligned accretion disks on the cusp of merging
Credit: Carl Knox, OzGrav, Swinburne University of Technology
An artist’s concept of a binary black hole merger, in which the black holes have misaligned spins with respect to one another. Such details can be revealed by gravitational waves emitted during a merger, and complicate the theoretical picture of how these types of binaries form.
Credit: Carl Knox, OzGrav, Swinburne University of Technology

A boom in gravitational waves leaves scientists with more questions than answers

A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes

Jack Heinzel, Salvatore Vitale, LIGO

https://www.scientificamerican.com/article/what-do-hundreds-of-gravitational-wave-events-reveal-about-the-universe