Discovered over four decades ago, Cygnus X-1 is one of the first confirmed black hole systems in our galaxy, located at a distance that is about 400 times more than the distance between Earth and Sun.
Black holes are already at the top of the list of the scariest things in the universe to be avoided at all costs, but that hasn’t stopped astronomers from continuing to research them and make these mysterious light-suckers (chupa-lux-ers?) even scarier. Recently, an international team of astronomers has been taking a new look at an. Read more »