In the past months at school, I’ve been hearing black hole conversations a lot. I was wondering about them until today when I read this article. I learned that black holes are holes with strong gravitation, meaning that they basically suck things into them like an outer space tornado. Black holes are formed when a star that suddenly increases greatly in brightness because of a catastrophic explosion, also called supernovas.
Astronomers found a black hole close to the earth by spotting two stars orbiting around a giant mass four times bigger than the sun. A team of astronomers from the ESO also spotted a black hole lying just 1000 light-years from the earth.
By studying black holes, we can find out more about the evolution of rare stars: from how they begin their lives with a mass about than eight times the sun to how the end their existence with a supernova explosion which sometimes form black holes.