Mercury News

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  Magnesium Detected In MESSENGER Flyby Of Mercury

  April 30, 2009 — NASA's MESSENGER spacecraft served up another curveball after a second flyby of the hot inner planet Oct. 6 detected magnesium -- an element created inside exploding stars and which is found in many ... > full story
• Mercury
  Solar System
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  More Hidden Territory On Mercury Revealed By MESSENGER Spacecraft

  October 30, 2008 — A NASA spacecraft gliding over the battered surface of Mercury for the second time this year has revealed more previously unseen real estate on the innermost planet. The probe also has produced ... > full story
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  Solar System
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  NASA's MESSENGER Spacecraft Reveals Mercury As Never Seen Before

  October 7, 2008 — NASA's MESSENGER space probe has made its second swing past Mercury, just 125 miles (200 kilometers) above the cratered surface of our solar system's innermost planet, snapping hundreds of pictures ... > full story
• Mercury
  Solar System
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  Space Scientists Set For Second Spacecraft Flyby Of Mercury

  September 30, 2008 — NASA's MESSENGER spacecraft, which is toting an $8.7 million University of Colorado at Boulder instrument to measure Mercury's wispy atmosphere and blistering surface, will make its second flyby ... > full story
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  Asteroids, Comets and Meteors
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  Mercury's 'Spider' Pantheon Fossae Formation Linked To Asteroid Impact

  September 23, 2008 — A new model suggests that the origin of the Pantheon Fossae on the planet Mercury, a radiating web of troughs located in the giant Caloris Basin, is directly linked to an impact crater at the centre ... > full story
• Mercury
  Solar System
  Moon
  Extrasolar Planets
  Sun
  Eris (Xena)
   
  

  MESSENGER Settles Old Debates And Makes New Discoveries At Mercury

  July 3, 2008 — Scientists have argued about the origins of Mercury's smooth plains and the source of its magnetic field for more than 30 years. Now, analyses of data from the January 2008 flyby of the planet by the ... > full story
• Mercury
  Solar System
  Space Missions
  NASA
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  Moon
   
  

  Mercury's Surface Dominated By Volcanism And Iron-Deficiency

  July 3, 2008 — Multispectral data on the composition of rock untis of the surface of Mercury show a widespread role for volcanism and an apparent deficiency in iron in the rocks' ... > full story
• Mercury
  Solar System
  Space Missions
  Moon
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  NASA
   
  

  Volcanic Activity Shaped Mercury After All

  July 3, 2008 — Planetary geologists have determined that volcanism played a central role in forming Mercury's surface. The evidence of volcanic activity, published in Science, lends important insights into ... > full story
• Mercury
  Solar System
  Extrasolar Planets
  Kuiper Belt
  Eris (Xena)
  Pluto
   
  

  Iron 'Snow' Helps Maintain Mercury's Magnetic Field, Scientists Say

  May 7, 2008 — New scientific evidence suggests that deep inside the planet Mercury, iron "snow" forms and falls toward the center of the planet, much like snowflakes form in Earth's atmosphere and fall to the ... > full story
• Mercury
  Solar System
  Space Missions
  NASA
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  Sun
   
  

  Mercury's Shifting, Rolling Past

  March 17, 2008 — Patterns of scalloped-edged cliffs or lobate scarps on Mercury's surface are thrust faults that are consistent with the planet shrinking and cooling with time. However, compression occurred in the ... > full story

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