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Page 7 - நிறுவனம் க்கு வானியல் News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Astronomie : des scientifiques enregistrent un signal radio vieux… de 13 milliards d années

Astronomie : des scientifiques enregistrent un signal radio vieux… de 13 milliards d années
maxisciences.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from maxisciences.com Daily Mail and Mail on Sunday newspapers.

Un quasar avec de puissants jets radio découvert aux confins de l Univers

Un quasar avec de puissants jets radio découvert aux confins de l Univers
futura-sciences.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from futura-sciences.com Daily Mail and Mail on Sunday newspapers.

Astronomy student s fiery Old Faithful discovery earns national award | University of Hawaiʻi System News

March 2, 2021 Anna Payne Unraveling an explosive mystery 570 million light-years away from Earth is an accomplishment belonging to the University of Hawaiʻi Institute for Astronomy graduate student Anna Payne. Her discovery of a blackhole at the center of an alluring active galaxy has earned her American Astronomical Society’s ( AAS) Chambliss Astronomy Achievement Student Award. A giant star being slowly devoured as it orbits the galaxy’s central black hole. (Image credit: NASA) Payne’s detection appears to reclassify what astronomers originally thought were supernova that fueled periodic flares every 114 days at the core of what’s been dubbed the “Old Faithful” galaxy.

Big galaxies steal star-forming gas from their smaller neighbours

 E-Mail IMAGE: An artist s impression showing the increasing effect of ram-pressure stripping in removing gas from galaxies, sending them to an early death. view more  Credit: ICRAR, NASA, ESA, the Hubble Heritage Team (STScI/AURA) Large galaxies are known to strip the gas that occupies the space between the stars of smaller satellite galaxies. In research published today, astronomers have discovered that these small satellite galaxies also contain less molecular gas at their centres. Molecular gas is found in giant clouds in the centres of galaxies and is the building material for new stars. Large galaxies are therefore stealing the material that their smaller counterparts need to form new stars.

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