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  Dark Lightning: Are Airplane Passengers Exposed to Radiation from Intense Bursts of Gamma-Rays from Thunderclouds?

  April 10, 2013 — Scientists have known for almost a decade that thunderstorms are capable of generating brief but powerful bursts of gamma-rays called terrestrial gamma-ray flashes, or TGFs. Because they can ... > full story
• Early Birds
  Atmosphere
  Global Warming
  Climate
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  Byrd Came Oh-So-Close, but Probably Didn't Reach North Pole

  April 8, 2013 — When renowned explorer Richard E. Byrd returned from the first-ever flight to the North Pole in 1926, he sparked a controversy that remains today. Studying supercomputer simulations of atmospheric ... > full story
• Moon
  Space Probes
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  Asteroid and Moon Landing Technology Demonstrated

  April 5, 2013 — Last week Astrobotic successfully flew a sensor package designed to guide spacecraft safely to the surface of asteroids, moons, planets, and beyond.  The flight occurred on an unmanned ... > full story
• Earth Science
  Geology
  Global Warming
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  Environmental Issues
   
  

  NASA Flies Radar South on Wide-Ranging Expedition

  April 4, 2013 — A versatile NASA airborne imaging radar system is showcasing its broad scientific prowess for studying our home planet during a month-long expedition over the Americas. The campaign is addressing a ... > full story
• Space Missions
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  Mars
  NASA
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  Final MAVEN Instrument Integrated to Spacecraft

  April 3, 2013 — An instrument that will measure the composition of Mars' upper atmosphere has been integrated to NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft. MAVEN has a scheduled launch date of ... > full story
• Space Probes
  Solar System
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  NASA
   
  

  Rotary Valve Could Help Propel Craft to Mars One Day

  April 3, 2013 — A rotary fuel delivery valve just might help us get manned space flights out of our immediate neighborhood one day, and it could have practical terrestrial ... > full story
• Aviation
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  Ionic Thrusters Generate Efficient Propulsion in Air

  April 3, 2013 — Thrusters powered by ionic wind may be an efficient alternative to conventional atmospheric propulsion technologies. When a current passes between two electrodes -- one thinner than the other -- it ... > full story
• Stars
  Galaxies
  Nebulae
  Space Telescopes
  Astrophysics
  Black Holes
   
  

  Taken Under the 'Wing' of the Small Magellanic Cloud: First Detection of X-Ray Emission from Young Stars With Masses Similar to Our Sun Outside Our Milky Way Galaxy

  April 3, 2013 — The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. In fact, it was so bright that many navigators used this object to make their way across the oceans. A new ... > full story
• Quantum Computers
  Quantum Physics
  Physics
  Quantum Computing
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  Quantum Cryptography: On Wings of Light

  April 3, 2013 — Physicists have, for the first time, successfully transmitted a secure quantum code through the atmosphere from an aircraft to a ground ... > full story
• Volcanoes
  Natural Disasters
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  Acid Rain
   
  

  NASA Sends Unmanned Aircraft to Study Volcanic Plume

  April 2, 2013 — Studying volcanos can be hazardous work, both for researchers and aircraft. To penetrate such dangerous airspace, unmanned aerial vehicles (UAVs), especially those with electric engines that ingest ... > full story

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