Watch the doubly warped view of two monster black holes orbiting each other

Mostly, supermassive black holes like to live alone.

Sitting in the centers of all big galaxies, these monsters outweigh our Sun by a factor of millions, even billions. They chow down on stars, gas, dust, whatever unwary material gets too close.

Finding a second supermassive black hole close to the first one is rare. We've seen a few (and they should have been more common when the Universe was young), but they're not easy to spot.

Still, say they were… and say we could hop aboard the Enterpri...