News tagged with nuclei

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The turbulent past of the Milky Way's black hole

The supermassive black hole at the center of our Galaxy went through turbulent times over the past centuries. We know this thanks to its surrounding molecular clouds, whose varying X-ray and gamma-ray luminosity ...

May 28, 2010
5 / 5 (4) 4

New project aims for fusion ignition

Russia and Italy have entered into an agreement to build a new fusion reactor outside Moscow that could become the first such reactor to achieve ignition, the point where a fusion reaction becomes self-sustaining ...

May 10, 2010
4.9 / 5 (45) 22 | with audio podcast

Largest atlas of nuclear galactic rings unveiled

An international team of astrophysicists has just unveiled the most complete atlas of nuclear rings, enormous star-forming ring-shaped regions that circle certain galactic nuclei. The catalogue, published ...

Apr 29, 2010
4.9 / 5 (8) 2

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