News tagged with nuclei

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How do supermassive black holes get so big?

(PhysOrg.com) -- At the center of most galaxies lie supermassive black holes that can grow to become more than a billion times larger than our Sun. However, astrophysicists don’t fully understand the formation ...

Apr 26, 2010 weblog
4.2 / 5 (12) 1 | with audio podcast

Borexino experiment detects geo-neutrinos

(PhysOrg.com) -- The Borexino collaboration of about 80 scientists from six countries, who have been working with a detector buried 1.5 km beneath the Gran Sasso mountain near l'Aquila in Italy have detected ...

Mar 16, 2010 report
4.4 / 5 (15) 3 | with audio podcast

Black hole spin may create jets that control galaxy

(PhysOrg.com) -- Scattered throughout every galaxy are black holes, regions that gobble up matter and energy. Although we can't see black holes, scientists can infer their size, location and other properties ...

Feb 11, 2010
4.6 / 5 (21) 16 | with audio podcast

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.

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

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 ...

Nov 18, 2009
5 / 5 (8) 0

A line on string theory

(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...

Nov 12, 2009
4.7 / 5 (47) 15