[meteorite-list] Alien life topic

From: Becky and Kirk <bandk_at_meteoritecentral.com>
Date: Wed, 2 Sep 2009 08:45:45 -0500
Message-ID: <855101BB5DC94194BB013E518861F6E4_at_owner55652f88b>

Oh---BTW---I agree with Greg!
Have a good day all!
Kirk......:-)
----- Original Message -----
From: "Greg Catterton" <star_wars_collector at yahoo.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Wednesday, September 02, 2009 8:09 AM
Subject: [meteorite-list] Alien life topic


> Here is some interesting reading.
>
> "GLycine in Wild 2 comet dust provides fresh evidence of life beyond
> earth"
> Australian Associated Press | AFP
>
> The discovery ... strengthens the argument that life in the universe may
> be common rather than rare.
>
> Astrobiologist Carl Pilcher
>
> Scientists have uncovered fresh evidence that life could exist beyond
> Earth, with research published on Tuesday showing that comet dust
> contained traces of a compound vital to human existence.
>
> Researchers probing dust and gas collected from the Wild 2 comet by NASA's
> Stardust spacecraft in 2004 found traces of the amino acid glycine,
> lending credence to idea that there is life elsewhere in the universe.
>
> "The discovery of glycine in a comet supports the idea that the
> fundamental building blocks of life are prevalent in space, and
> strengthens the argument that life in the universe may be common rather
> than rare," said Carl Pilcher, one of the space agency's top
> astrobiologists.
>
> Jamie Elsila, lead author of the report, which was published in the
> journal Meteoritics and Planetary Science, said the findings also support
> the idea that the material elements of human life may have come from
> space.
>
> "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," she said.
>
> The group's final findings confirm suspicions that the amino acid -- which
> creates the proteins that form the building blocks of life -- were not
> simply earth-sourced contamination.
>
> "We discovered that the Stardust-returned glycine has an extraterrestrial
> carbon isotope signature, indicating that it originated on the comet,"
> said Elsila.
>
> Twenty different amino acids are arranged to build the millions of
> different proteins that make up everything from hair to enzymes, NASA
> said.
>
>
> http://livenews.com.au/life/glycine-in-wild-2-comet-dust-provides-fresh-evidence-of-life-beyond-earth/2009/8/19/216679
>
> Proof?
> who knows.
> Hope everyone is doing good today!
>
> Greg C.
>
>
>
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Received on Wed 02 Sep 2009 09:45:45 AM PDT