Earth's nearest supermassive black hole pair lies in the wreckage of a galactic collision
The Gemini South telescope observed two spiral galaxies that smashed together around a billion years ago. The aftermath harbors the closest supermassive black hole binary to Earth.
TroibNews 
The Gemini South telescope observed two spiral galaxies that smashed together around a billion years ago. The aftermath harbors the closest supermassive black hole binary to Earth.
