
The Universe’s Brightest Lights Have Surprisingly Darkish and Mysterious Origins
A few of the brightest lights within the universe shine from a few of its darkest corners — so-called supermassive black holes. Invisible to the human eye, these high-energy powerhouses gentle up the cosmos with emissions which are detected by house telescopes. 1000’s of such gentle sources have been found with NASA’s Fermi Gamma-ray Area Telescope, which has…