News tagged with dark matter halos

Globular clusters on a plane

Globular clusters are generally some of the oldest structures in our galaxy. Many of the most famous ones formed around the same time as our galaxy, some 13 billion years ago. However, some are distinctly ...

Sep 23, 2011 5 / 5 (1) 5

Astronomers peer into the dark

(PhysOrg.com) -- Astronomers from the Scottish Universities Physics Alliance (SUPA) have produced a completely new catalogue of ~15,000 groups of galaxies that gives a new insight into dark matter, the material ...

Apr 21, 2011 4.2 / 5 (6) 3 | with audio podcast

Halos Gone MAD

One of the successes of the ΛCDM model of the universe is the ability for models to create structures of with scales and distributions similar to those we view in the universe today. Or, at least that’s ...

Apr 08, 2011 3.5 / 5 (4) 7

Missing Milky Way dark matter

Although dark matter is inherently difficult to observe, an understanding of its properties (even if not its nature) allows astronomers to predict where its effects should be felt. The current understanding ...

Nov 09, 2010 4.9 / 5 (11) 7

Invisible hand in invisible matter

(PhysOrg.com) -- An international team of astronomers have found an unexpected link between mysterious 'dark matter' and the visible stars and gas in galaxies that could revolutionise our current understanding ...

Oct 06, 2009 4.6 / 5 (50) 38