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Latest Blazars Stories

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2009-12-09 14:50:00

A galaxy located billions of light-years away is commanding the attention of NASA's Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began September 15, the galaxy is now the brightest source in the gamma-ray sky -- more than ten times brighter than it was in the summer. Astronomers identify the object as 3C 454.3, an active galaxy located 7.2 billion light-years away in the constellation Pegasus. But even among active galaxies, it's...

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2008-04-25 00:50:00

A team of international astronomers announced this week they had obtained images of a supermassive black hole just as it was ejecting an enormous jet of supercharged particles traveling at the speed of light.  The images, obtained by powerful telescopes, confirmed what many scientists had believed about how these jets are formed, the astronomers said.A black hole is a concentration of mass so dense that little can escape its gravitational pull.  Supermassive black holes form the...