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Life On Earth May Be Extraterrestrial
Written by Daniel   
Tuesday, 18 August 2009 11:44
   NASA discovery of amino acid on comet suggests ingredients for organic proteins came from outer space.

By Paul McDougall
August 18, 2009 12:10 PM

NASA said Monday that a comet scoured by its Stardust spacecraft was found to be carrying an amino acid that is an essential building block for organic life. It's the first time such an amino acid, glycine in this case, has been discovered on a comet.

"Our discovery supports the theory that some of life's ingredients formed in space and were delivered to Earth long ago by meteorite and comet impacts," said James Elsila, of NASA's Goddard Space Flight Center in Greenbelt, Maryland. [Comments...]
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