Supermassive black holes are found at the center of many galaxies, including the Milky Way. Our galaxy’s black hole, Sagittarius A*, is suspected to contain 3.7 million solar masses. Active galaxies, such as quasars and blazars, can release energy equivalent to hundreds of galaxies combined. At least 30 supermassive black holes have been observed in […]
The largest explosion in the known universe since the Big Bang has been recorded by modern radio telescopes. The explosion was caused by emissions from a supermassive black hole at the center of a supercluster of galaxies known as Ophiuchus. It put out five times more energy than the previous record holder and was initially […]