Back in 2019, researchers observed a collision between two black holes of wildly different masses. New analysis has revealed that the collision produced a massive recoil, sending the newly formed black hole moving so fast that it is no longer bound by the gravity of the globular cluster where it was born. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The event was named GW190412 , and it involved a black hole eight times the mass of our Sun smacking into another black hole 30 times the mass of the Sun, 3.6 times heavier than the first. The collision took place 2.4 billion light-years away, and it sent the resulting black hole flying at about 50 kilometers (31 miles) per second.

What's special about this event is the fact that the

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