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quasars

Ancient Quasar Shines Brightly, But All the Galaxy’s Stars Are Missing

October 23, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter Hubble Space Telescope image of J1148+5251. Credit: NASA/ESA/M. Mechtley, R. Windhorst, Arizona State University Quasars have been the best and most easily observed beacons for astronomers to probe the distant Universe, and one of the most distant and brightest quasars is [...]

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Looking Into the Heart of a Quasar

July 18, 2012

Caption: Artist’s impression of the quasar 3C 279. Credit: ESO/M. Kornmesser From an ESO press release: An international team of astronomers has observed the heart of a distant quasar with unprecedented sharpness, two million times finer than human vision. The observations, made by connecting the Atacama Pathfinder Experiment (APEX) telescope to two others on different [...]

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Early Black Holes were Grazers Rather than Glutonous Eaters

June 20, 2012

Black holes powering distant quasars in the early Universe grazed on patches of gas or passing galaxies rather than glutting themselves in dramatic collisions according to new observations from NASA’s Spitzer and Hubble space telescopes. Remove this ad

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Emerging Supermassive Black Holes Choke Star Formation

January 27, 2012

Located on the Chajnantor plateau in the foothills of the Chilean Andes, ESO’s APEX telescope has been busy looking into deep, deep space. Recently a group of astronomers released their findings regarding massive galaxies in connection with extreme times of star formation in the early Universe. What they found was a sharp cut-off point in [...]

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Black Hole Secrets… Water Vapor Gives Clues To Star Formation

October 20, 2011

A eye-opening discovery has been made by an international team of scientists led by astronomer Paul van der Werf (Leiden University, The Netherlands). They have discovered a black hole in the early Universe located about 12 billion light years away that’s surrounded by a nearly impenetrable disk of gas and dust. The halo isn’t the [...]

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