Our NASA Fermi Gamma-ray Space Telescope studies extraordinary extragalactic events from supermassive black holes to merging neutron stars. 🔭While it's working to unravel mysteries of our universe, we're breaking down misconceptions of its impressive portfolio: https://go.nasa.gov/2yGz7ZF | NASA - National Aeronautics and Space Administration

Black holes are one of the biggest mysteries in the universe – areas of space where gravity is so intense that even light cannot escape. But how are they formed? And if they swallow all light, how do we even know they're there at all? | CNET