Posted on August 17, 2009 at 10:58pm
First Discovery Of Life's Building Block Within Comet
Posted on: Monday, 17 August 2009, 12:35 CDT
NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft.
"Glycine is an amino acid used by living organisms to make proteins, and this is the first time an amino acid has been found in a comet," said Dr. Jamie Elsila of NASA's Goddard Space Flight Center in Greenbelt, Md. "Our… Continue