Könnte morgige Pk der Nasa einen Paradigmenwechsel in Bezug auf das menschliche Verständnis von Astrobiologie verursachen?

posts 21 - 23 by 23
  • Status April.2012

    erich haiderer, 27.04.2012 23:11, Reply to #20
    #21
  • RE: Jetzt ist die Katze aus dem Sack: reduzierter Kohlenstoff

    erich haiderer, 26.05.2012 13:22, Reply to #16
    #22

    Jetzt ist die Katze aus dem Sack: Präsenz von reduziertem Kohlenstoff am Roten Planeten ist (mit vorgestriger Aussendung) eindeutig belegt:

    http://www.nasa.gov/mission_pages/mars/news/mars20120524.html

    "Although this study has not yielded evidence that Mars has or once may have supported life, it does address some important questions about the sources of organic carbon on Mars," said Mary Voytek, director of NASA's Astrobiology Program at the agency's Headquarters in Washington. "With the Curiosity rover scheduled to land in August, these new research results may help Mars Science Laboratory scientists fine-tune their investigations on the surface of the planet by understanding where organic carbon may be found and how it is preserved."...

    Scientists have theorized that the large carbon macromolecules detected on Martian meteorites could have originated from terrestrial contamination from Earth or other meteorites, or chemical reactions or biological activity on Mars.

    Steele's team examined samples from 11 Martian meteorites from a period spanning about 4.2 billion years of Martian history. They detected large carbon compounds in 10 of them. The molecules were found inside grains of crystallized minerals.

    Using an array of sophisticated research techniques, the team was able to show that at least some of the macromolecules of carbon were indigenous to the meteorites themselves and not contamination from Earth.

    The team next looked at the carbon molecules in relation to other minerals in the meteorites to see what kinds of chemical processing these samples endured before arriving on Earth. The crystalline grains encasing the carbon compounds provided a window into how the carbon molecules were created. Their findings indicate that the carbon was created by volcanic activity on Mars and show that Mars has been doing organic chemistry for most of its history.

    Watt dat ned olleens geevt!

    verstehe ich das richtig: wenn einer 'ne katze aus'm sack lässt, könnte sich das getier u.u. in ein extraterrestrisches alien verwandeln?

  • RE: Jetzt ist die Katze aus dem Sack: reduzierter Kohlenstoff

    W.I.Uljanow, 27.05.2012 00:51, Reply to #22
    #23

    Und sie planen schon, vor Ort nachzusehen, was es damit auf sich hat. Sehr bald? Ja? Viel Glück! Verzichten sie doch auf das Rückflugticket, sie werden es nicht brauchen. Und sie könnten vielleicht so manchem damit einen Dienst erweisen!Tongue out

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