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Fw: NUFOIA: Comet Offers Clues To Big Bang

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  • Jeroen Kumeling
    ... From: Ndunlks@aol.com To: undisclosed-recipients:; Subject: NUFOIA: Comet Offers Clues To Big Bang Date: vrijdag, 2. april 1999 8:13 Comet Offers Clues To
    Message 1 of 1 , Apr 2 7:12 AM
      From: Ndunlks@...
      To: undisclosed-recipients:;
      Subject: NUFOIA: Comet Offers Clues To Big Bang
      Date: vrijdag, 2. april 1999 8:13

      Comet Offers Clues To Big Bang

      Hale-Bopp May Date To Birth Of Solar System

      PASADENA, Calif.

      AP Comet Hale-Bopp, which blazed across the sky in 1997, may be brimming
      with some of the primordial material from which the sun and the planets
      formed more than 4 billion years ago.

      California Institute of Technology scientists who tuned radio telescopes
      the comet's nucleus as it cut across the solar system found vents spewing a

      volatile mixture of gas and dust into space.

      The images suggest that 15 to 40 percent of Hale-Bopp's mass is pristine
      interstellar material, unchanged in billions of years. The rest has been
      transformed extensively during the comet's passage through space.

      The images are among the finest ever obtained of a comet with radio

      The findings were published in Thursday's issue of the journal Nature.

      Comets are often called dirty snowballs. Most orbit far from the sun in the

      deep freeze beyond Pluto's orbit. That enables them to remain structurally
      the same over billions of years.

      "Nothing has changed much out there since that time. Therefore it's a way
      sampling some of the chemistry, or very close to what it was, when the
      system formed," said Paul Weisman, a scientist at NASA's Jet Propulsion
      Laboratory in Pasadena, Calif., who was not involved in the work.

      The Cal Tech researchers found two icy jets erupting with forms of
      deuterium-hydrogen, the poisonous gas hydrogen cyanide and a form of
      called heavy water. The material may be rising from deep within the comet,
      said Geoffrey Blake, a Cal Tech professor of cosmochemistry and planetary

      Actual proof that comets contain the primordial material of the solar
      may have to wait until a spacecraft can dig inside one.

      A NASA probe set to launch in 2003 will try to do just that. If it survives

      the landing, in 2006, it will drill into Hale-Bopp to sample what's inside.

      Copyright 1999 The Associated Press. All Rights Reserved. This material may

      not be published, broadcast, rewritten, or redistributed.

      � 1999, CBS Worldwide Inc., All Rights Reserved.

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