News tagged with active galaxies

Surveying the X-ray Sky

(PhysOrg.com) -- Astronomers have only modest laboratories to probe the mysteries of the cosmos. Mostly they have to rely on meticulous and clever observations of remote phenomena.

Space & Earth / Astronomy

created Jan 11, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Galaxy History Revealed in This Colorful Hubble View (w/ Video)

(PhysOrg.com) -- More than 12 billion years of cosmic history are shown in this unprecedented, panoramic, full-color view of thousands of galaxies in various stages of assembly.

Space & Earth / Astronomy

created Jan 06, 2010 | popularity 4.2 / 5 (6) | comments 0

RIT astronomer mines Spitzer Space Telescope data for massive starbursts

Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...

Space & Earth / Astronomy

created Dec 08, 2009 | popularity 4.3 / 5 (3) | comments 0

Maps Unveil the Source of Starburst Galaxy's Winds

(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 5 / 5 (8) | comments 0

X-Ray Jets from Galaxies

(PhysOrg.com) -- Some dramatic galaxies eject gigantic, collimated jets of ionized gas millions of light-years long, powered by the massive black holes at their centers. The ionized jets are detected at radio ...

Space & Earth / Astronomy

created Oct 19, 2009 | popularity 4.6 / 5 (5) | comments 1

Continent-sized radio telescope takes close-ups of Fermi active galaxies

An international team of astronomers has used the world's biggest radio telescope to look deep into the brightest galaxies that NASA's Fermi Gamma-ray Space Telescope can see. The study solidifies the link ...

Space & Earth / Astronomy

created Apr 22, 2009 | popularity 4.4 / 5 (5) | comments 0

Active galaxies are different near and far

(PhysOrg.com) -- An ongoing X-ray survey undertaken by NASA's Swift spacecraft is revealing differences between nearby active galaxies and those located about halfway across the universe. Understanding these ...

Space & Earth / Astronomy

created Jan 06, 2009 | popularity 4.8 / 5 (4) | comments 0


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