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Abundant Water Ice and Organic Materials on Mercury, Discovered

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  • miko
    Abundant Water Ice and Organic Materials on Mercury, Discovered NASA, 29.11.12 Researchers from NASA, MIT, the University of California at Los Angeles and
    Message 1 of 1 , Nov 30, 2012
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      Abundant Water Ice and Organic Materials on Mercury, Discovered


      NASA, 29.11.12


      Researchers from NASA, MIT, the University of California at Los
      Angeles and elsewhere have discovered evidence that the scorching
      planet, Mercury, the planet closest to the sun, harbors abundant water
      ice and frozen organic materials inside several permanently shadowed
      craters in its north pole.


      The surprising discovery suggests to scientists that both ice and
      organic material, such as carbon, may have been deposited on Mercury's
      surface by impacts from comets or asteroids. Over time, this volatile
      material could then have migrated to the planet's poles.


      Three independent lines of evidence support this conclusion:
      1. the first measurements of excess hydrogen at Mercury's north pole
      with MESSENGER's Neutron Spectrometer,
      2. the first measurements of the reflectance of Mercury's polar
      deposits at near-infrared wavelengths with the Mercury Laser Altimeter
      (MLA), and
      3. the first detailed models of the surface and near-surface
      temperatures of Mercury's north polar regions that utilize the actual
      topography of Mercury's surface measured by the MLA.


      Papers published in Science Express provide support for the long-held
      hypothesis that Mercury's permanently shadowed polar craters contain
      water ice.


      These findings are presented in three papers published online today in
      Science Express:

      Water Ice on Mercury
      . http://goo.gl/l7nyC
      Evidence for Volatiles on Mercury's Poles
      . http://goo.gl/t96hq
      Thermal Stability of Volatiles in the North Polar Region of Mercury
      . http://goo.gl/kyjoU



      NASA: http://goo.gl/3tBHm , http://goo.gl/1l4zM , http://goo.gl/iMCXs
      Latinos Post: http://goo.gl/nvimg
      Guardian: http://goo.gl/SyTEu
      Science Daily: http://goo.gl/rxOKm
      Telegraph: http://goo.gl/ekqev

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