A huge black hole eats a huger black hole's dinner then explodes with the light of a trillion suns

3.5 billion light years from Earth — a significant chunk of the way across the visible Universe — lies a monster. It's called OJ287, and it's an active galaxy, one with a tremendous amount of energy blasting out of its nucleus. It's classified as a blazar, one of the most luminous objects in the Universe, with energy pouring out of it across the electromagnetic spectrum, from radio waves all the way up to high-energy gamma rays.

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