News tagged with visible matter

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, ...

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 ...

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" ...

dateJul 09, 2009 in Astronomy
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A video map of motions in the nearby universe

(Phys.org) —An international team of researchers, including University of Hawaii at Manoa astronomer Brent Tully, has mapped the motions of structures of the nearby universe in greater detail than ever ...

dateJun 12, 2013 in Astronomy
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