NASA created a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years away. The black hole is at the center of the Perseus cluster of galaxies, ...
ESA's Gaia mission has discovered the closest and 2nd closest black holes to Earth found yet. In this animation, travel to latter, black hole Gaia BH2, and see what makes it unique. Credit: ...
Known as Sgr A* – pronounced “Sagittarius A star” – the supermassive black hole is four million times the mass of the sun and is known to exhibit flares that can be observed in multiple wavelengths, ...