These 2 monster black holes may be the closest pair ever discovered in visible and X-ray light (video)

Two glowing yellow and orange disks one significantly smaller than the other.

It's the ultimate telescope vs. supermassive black hole tag-team match as the NASA team of Chandra and Hubble pin down a supermassive black hole pairing! Not only was this black hole tag team surprisingly close to Earth, but they were also in tight proximity to each other!