Last Updated: Friday, November 08, 2013, 18:40
A research team has discovered a surprising new class of quasars- a super-bright disk of hot gas surrounding a black hole- in distant galaxies that even the most current theories had not predicted.
Last Updated: Tuesday, September 25, 2012, 11:10
Using NASA’s Chandra X-ray Observatory, astronomers have found evidence that our Milky Way Galaxy is embedded in an enormous halo of hot gas.
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