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Want to find colliding black holes? Check out the disks around quasars

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Artist's impression of a quasar. They all have a supermassive black hole at their center. Credit: NOIRLab/NSF/AURA/J. da Silva

The universe is filled with gravitational waves. The collisions of massive objects like black holes and neutron stars create many of them. Now, astronomers are wondering about the environment in which these catastrophic events occur. Turns out they might need to look at quasars. The first detection of gravitational waves occurred in 2015. Since that … Leer más

Arsenal’s $49m transfer could overtake Liverpool but Klopp’s next move could find a fix

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Arsenal's $49m transfer could overtake Liverpool but Klopp's next move could find a fix

Entering the past two seasons, Liverpool is said to have the best and most comprehensive defense in world football. Aside from the all-time great Virgil van Dijk, the Reds possess one of the best young defensive talents Ibrahima Konaté, and one of the most underrated options out there is Joël Matip, who made an important … Leer más