The Best in Science News and Amazing Breakthroughs
Pick any object in the Universe, and it is probably spinning. Asteroids tumble end over end, planets and moons rotate on their axes, and evenFor objects such as the Earth, the maximum rate of rotation is defined by its surface gravity. The weight we feel while standing on the Earth isn't just due to the gravitational pull of the Earth.
Now imagine a planet spinning so fast that the difference was 100%. At that point, the gravitational pull of the planet and its centrifugal force at the equator would cancel out. For black holes, things are a bit different. Black holes aren't objects with a physical surface. They aren't made of material that could fly apart. But they still have a maximum rate of rotation.
This brings us to a new study on the rotation of the supermassive black hole in our galaxy. The team looked at radio and X-ray observations of the black hole to estimate its spin.
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