News tagged with visible universe

Light dawns on dark gamma-ray bursts (w/ Video)

(PhysOrg.com) -- Gamma-ray bursts are among the most energetic events in the Universe, but some appear curiously faint in visible light. The biggest study to date of these so-called dark gamma-ray bursts, ...

dateDec 16, 2010 in Astronomy
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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, ...

dateJan 19, 2010 in Astronomy
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