Duniamanusia

TON 618 TON 618 is a contender for largest black hole discovered, being 40 billion times the mass of the Sun and 30-40 as wide as our Solar System. TON 618 is, strictly speaking, a quasar, but the name also refers to the supermassive black hole (more properly TON 618*) that powers it, which is one of the largest ever discovered.  Taking its name from the Tonantzintla Observatory in Mexico, it was first observed and catalogued by astronomers Braulio Iriarte and Enrique Chavira in 1957. TON 618 lies some 18.2 billion  lightyears  from Earth, in the constellation Canes Venatici, and is 40 billion times the mass of our Sun. When first observed, TON 618 was thought to be a blue star. Then in 1970 a radio survey conducted in Italy detected radio emissions coming from the object, identifying it as a  quasar . A quasar is type of active galactic nucleus (AGN). Quasars are among the  most distant objects you can see with an amateur telescope . An AGN is a region in the c...