News tagged with visible matter

Hubble survey carries out a dark matter census

(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has been used to make an image of galaxy cluster MACS J1206.2-0847. The apparently distorted shapes of distant galaxies in the background is caused by an invisible substance ...

dateOct 13, 2011 in Astronomy
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Stalking the Neutrinoless Double Beta Decay

(PhysOrg.com) -- The hunt for the elusive neutrino mass has officially begun. This difficult-to-detect elementary particle travels close to the speed of light, is electrically neutral, and can pass through ordinary matter ...

dateFeb 12, 2010 in General Physics
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Weak Lensing Gains Strength

(PhysOrg.com) -- Berkeley Lab cosmologists were part of an international team that has extended the relationship between the x-ray luminosity and the mass of galaxy clusters as measured by gravitational lensing, improving ...

dateJan 19, 2010 in Astronomy
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Dark Matter in a Galaxy

(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.

dateOct 30, 2009 in Astronomy
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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 of gravity.

dateOct 06, 2009 in Astronomy
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Astrophysicists solve mystery in Milky Way galaxy

A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" believed to make ...

dateJul 09, 2009 in Astronomy
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