Archive: 12/01/2011

Cosmology standard candle not so standard after all

(PhysOrg.com) -- Astronomers have turned up the first direct proof that "standard candles" used to illuminate the size of the universe, termed Cepheids, shrink in mass, making them not quite as standard as once thought. The ...

dateJan 12, 2011 in Astronomy
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Tracking signs of better catalysts

(PhysOrg.com) -- SLAC researchers have taken a big step toward making useful catalysts easier to find or create—processes that have previously relied on trial and error. As explained yesterday in the Proceedings of the ...

dateJan 12, 2011 in Materials Science
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Astronomers identify most distant galaxy cluster

(PhysOrg.com) -- Astronomers have uncovered a burgeoning galactic metropolis, the most distant known in the early universe. This ancient collection of galaxies presumably grew into a modern galaxy cluster similar to the massive ...

dateJan 12, 2011 in Astronomy
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