Black holes: Everything you need to know


Black holes are some of the strangest and most fascinating objects in space. They’re extremely dense, with such strong gravitational attraction that not even light can escape their grasp. 

The Milky Way could contain over 100 million black holes, though detecting these gluttonous beasts is very difficult. At the heart of the Milky Way lies a supermassive black hole — Sagitarrius A*. The colossal structure is about 4 million times the mass of the sun and lies approximately 26,000 light-years away from Earth, according to a statement from NASA.

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