News tagged with quasars

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Record-Breaking Radio Astronomy Project to Measure Sky with Extreme Precision

Record-Breaking Radio Astronomy Project to Measure Sky with Extreme Precision

Space & Earth / Astronomy

created Nov 16, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- Astronomers will tie together the largest collection of the world's radio telescopes ever assembled to work as a single observing tool in a project aimed at improving the precision of the ...


Servicing Mission 4 -- the fifth and final visit to Hubble

Servicing Mission 4 -- the fifth and final visit to Hubble

Space & Earth / Space Exploration

created May 01, 2009 | popularity 4.8 / 5 (8) | comments 2

(PhysOrg.com) -- The combination of Hubble's powerful suite of instruments and its position far above the effects of Earth's atmosphere has consistently produced outstanding scientific results for nineteen ...


Erratic black hole regulates itself

Erratic black holes regulate their growth (w/Videos)

Space & Earth / Astronomy

created Mar 25, 2009 | popularity 4.7 / 5 (9) | comments 5

(PhysOrg.com) -- New results from NASA's Chandra X-ray Observatory have made a major advance in explaining how a special class of black holes may shut off the high-speed jets they produce. These results suggest ...


Telescopes and networks used for the e-VLBI observation

Radio-astronomers form telescope the size of Earth

Space & Earth / Astronomy

created Jan 13, 2009 | popularity 4.4 / 5 (12) | comments 1

(PhysOrg.com) -- Radio telescopes around the world will join forces this week to carry out a unique observation of three quasars, distant galaxies powered by super-massive black holes at their cores.


Serendipitous observations reveal rare event in life of distant quasar

Space & Earth / Astronomy

created Oct 21, 2008 | popularity 4.6 / 5 (15) | comments 6

A bit of serendipity has given astronomers a surprise view of a never-before-observed event in the birth of a galaxy.