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Pluto Cold, Pluto Colder

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  • tkreevesjr
    Scientists take Pluto s temperature: cold with hot spots
    Message 1 of 3540 , Jun 1, 2000
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      Scientists take Pluto's temperature: cold with
      'hot'
      spots'<br><br><a href=http://www.cnn.com/2000/TECH/space/05/30/05.03.briefs/index.html#2/ target=new>http://www.cnn.com/2000/TECH/space/05/30/05.03.briefs/index.html#2/</a> <br><br>May 30, 2000<br>Web posted at: 5:29 p.m.
      EDT (2129 GMT)<br><br>From staff reports<br><br>(CNN)
      -- A team of scientists has measured thermal
      variations on Pluto, proving that the temperature on the
      distant planet is not uniform, the European Space Agency
      said this week. <br><br>The coldest regions on the
      planet plummet to a temperature of about -235 degrees C
      (-391 F). The hottest may reach a sizzling -210 degrees
      C (-346 F). <br><br>Pluto is the planet with the
      farthest mean distance from the center of the solar
      system. Along with its slightly smaller satellite Charon,
      it orbits the sun from a distance of 3,700 million
      miles (5,900 million kilometers). <br><br>The two
      bodies also circle around a common center of gravity
      every 6.4 days. Using the ESA's infrared space
      telescope ISO, a team from the Observatoire de Paris
      determined that the planet system emits more thermal energy
      at some times compared to others.
      <br><br>Additionally, the flux corresponds with contrasting brightness
      of different parts of the surface of Pluto. The
      darker regions absorb more solar energy and therefore
      warm up more and give off more infrared energy, the
      scientists said. <br><br>The observations suggest that the
      material in the darker regions is porous, the ESA team
      said.
    • jefftibb
      The SEDS site has a short list of Messier Marathon locations where people will congregate to count the Messier Objects. If you would like to join a
      Message 3540 of 3540 , Mar 13, 2002
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        The SEDS site has a short list of Messier
        Marathon locations where people will congregate to count
        the Messier Objects.<br><br>If you would like to join
        a group and do it check out this
        site:<br><br><a href=http://seds.lpl.arizona.edu/messier/xtra/marathon/mm2002.html target=new>http://seds.lpl.arizona.edu/messier/xtra/marathon/mm2002.html</a><br><br>Many will be happening this weekend.
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