Archive: 03/13/2012

The origins of a torus in a galactic nucleus

(PhysOrg.com) -- Quasars are among the most energetic objects in the universe, with some of them as luminous as ten thousand Milky Way galaxies. Quasars are thought to have massive black holes at their cores, ...

Mar 13, 2012
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Ageing wooden power poles increase risk of fires

Research at RMIT University has proven conclusively that wooden poles used for electricity distribution deteriorate with age and that their electrical performance worsens over time.

Mar 13, 2012
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X-ray monitoring mission comes to an end

On Dec. 30, 1995, NASA’s Rossi X-ray Timing Explorer (RXTE) was launched into orbit on a mission to observe and study X-ray sources in space. For 16 years, the satellite circled Earth, detecting X-rays ...

Mar 13, 2012
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