Space facts unbelievable

01. In 2015, scientists detected, for the first time, the merger of 2 black holes in a galaxy 17 billion lightyears away by measuring the gravitational waves emitted by the collision. As they spun around each other violently, they released more energy in the form of gravitational waves than the combined light from all the stars in the Milky Way in 4400 years.

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01. Supermassive Black Holes in the centers of galaxies can be 11 times bigger than Neptune's entire orbit, and spin at almost the speed of light. #universe #knoweldge #education #science #technology

I wish I could see this for myself. Awesome!