Clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.
The image below was made during the test-phase of the LOFAR telescope, and targeted the giant elliptical galaxy Messier 87 (above), at the center of a galaxy cluster in the constellation of Virgo. This galaxy is 10 times more massive.
What we perceive as the big bang, physicists at the Perimeter Institure argue, could be the three-dimensional “mirage” of a collapsing star in a universe profoundly different than our own. Conventional understanding holds that the big bang began with a.
The Cone Nebula is an H II region in the constellation of Monoceros. It was discovered by William Herschel on December at which time he designated it H The nebula is located about 830 parsecs or light-years away from Earth.