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Space Science

Building Blocks of DNA Confirmed In Meteorites 145

MistrX writes "Researchers announced that the components of DNA have now been confirmed to exist in extraterrestrial meteorites. A different team of scientists also discovered a number of molecules linked with a vital ancient biological process, adding weight to the idea that the earliest forms of life on Earth may have been made up in part from materials delivered to Earth from space. Past research had revealed a range of building blocks of life in meteorites, such as the amino acids that make up proteins. Space rocks just like these may have been a vital source of the organic compounds that gave rise to life on Earth."
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Building Blocks of DNA Confirmed In Meteorites

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  • Re:Significance (Score:4, Informative)

    by MobileTatsu-NJG ( 946591 ) on Tuesday August 09, 2011 @09:13AM (#37031780)

    A.) Does that mean that life here on Earth most likely have been boot-strapped from meteorites?

    It could mean that life doesn't just magically sprout up on a planet just because it meets a few criteria about atmosphere, gravity, etc.

    B.) Such compounds are so common in the universe that finding them floating in space is trivial? Thus leading to the idea of life being more common than we think.

    Uh, no, there's nothing that says it's common. (That could come later, though.) From what we know, or actually from what we DON'T know, it's possible that these meteorites are incredibly rare and that we have the most unique planet in the universe.

    We really need to actually find a lifeform somewhere else .

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