Supermassive black holes can cloak themselves in a cocoon of dust, making them invisible even when they should be bright quasars
Quasars are the most powerful sources of light in the universe, but sometimes they’re hard to find. A team of astronomers used the Chandra X-ray Space Telescope to find some diamonds in the rough. When gas finds itself in the center of a galaxy, it must come toe-to-toe with a truly terrible monster: a supermassive …
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