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Posts Tagged ‘Astronomy’

Most distant galaxy identified [via The Daily Telegraph] Writing in Nature yesterday a group of European scientists announced the discovery of the galaxy most distant from our own — UDFy-38135539, 13.1 billion lightyears away. Light from the galaxy, therefore, has taken most of the universe’s life to reach us; the Big Bang happened approximately 13.7 [...]

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A Habitable Exoplanet – For Real This Time [via Wired] Astronomers announced yesterday the discovery of the first planet outside our solar system that lies within its star’s habitable zone, the orbital area where the temperature would make water liquid rather than ice or vapor. Gliese 581g orbits a red dwarf 20 light-years away, is [...]

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Gene limits learning and memory in mice [via Medical Daily] Scientists at Emory University’s School of Medicine have found that “deleting a certain gene in mice can make them smarter by unlocking a mysterious region of the brain considered to be relatively inflexible.” Mice without the gene were better able to remember objects and navigate [...]

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Diamond Star Thrills Astronomers [via the BBC] A chunk of crystallized carbon 50 light-years from earth has astronomers is a tizzy. An old white dwarf star now faded and collapsed on itself, the “diamond” is estimated to be 10 billion trillion trillion carats. “You would need a jeweller’s loupe the size of the Sun to [...]

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