Archive: 12/19/2011

How can growing galaxies stay silent?

Beginning around 2005, astronomers began discovering the presence of very large galaxies at a distance of around 10 billion lightyears. But while these galaxies were large, they didn’t appear to have ...

Dec 19, 2011
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Special relativity from first principles

Einstein’s explanation of special relativity, delivered in his 1905 paper On the Electrodynamics of Moving Bodies focuses on demolishing the idea of ‘absolute rest’, exemplified by the theoreti ...

Dec 19, 2011
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Cosmic research picked in breakthroughs of 2011

(PhysOrg.com) -- Astronomers from the Dark Cosmology Center at the Niels Bohr Institute have developed a groundbreaking method for measuring long distances in the universe using light from quasars. Quasars ...

Dec 19, 2011
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Space image: Spiral galaxy

(PhysOrg.com) -- Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the impending season. Bright knots of glowing ...

Dec 19, 2011
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New insights into nanoparticles and dividing cells

(PhysOrg.com) -- What happens when living cells take up nanoparticles, those tiny entities that could offer new ways of delivering drugs into the body? A new study from researchers at UCD has tracked the progress of nanoparticles ...

Dec 19, 2011
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Star images helping to save Vatican books

(PhysOrg.com) -- Antique books in the Vatican Library are being digitised to preserve them for future generations using a technique developed through ESA to store satellite images of the sky.

Dec 19, 2011
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