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  Cassini Sheds Light on Cosmic Particle Accelerators

  February 19, 2013 — During a chance encounter with what appears to be an unusually strong blast of solar wind at Saturn, NASA's Cassini spacecraft detected particles being accelerated to ultra-high energies. This is ... > full story
• Extrasolar Planets
  Astronomy
  Space Telescopes
  Pluto
  Space Exploration
  Kuiper Belt
   
  

  Hunt for Distant Planets Intensifies

  February 18, 2013 — Armed with new tools, astronomers search for worlds like ... > full story
• Space Exploration
  NASA
  Geomagnetic Storms
  Atmosphere
  Astronomy
  Solar Flare
   
  

  Tiny CREPT Instrument to Study the Radiation Belts

  February 15, 2013 — A smaller version of an instrument now flying on NASA's Van Allen Probes has won a coveted spot aboard an upcoming NASA-sponsored Cubesat mission -- the perfect platform for this pint-size, ... > full story
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Earth Science
  Satellites
  Geology
  NASA
   
  

  Near-Earth Asteroid Makes Preview Appearance

  February 14, 2013 — Like trailers for the coming attraction, new images show asteroid 2012 DA14 on its way to a record-close approach to Earth on Feb. 15. One image, taken by amateur astronomer Dave Herald of ... > full story
• Saturn
  Solar System
  Astronomy
  Space Probes
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  Sun
   
  

  Unlocking the Mystery Behind Saturn's Moonlets

  February 14, 2013 — New research by physicists casts new light on Saturn's moonlets -- and could help solve some of the mysteries surrounding planet formation. Saturn's F ring has long been of interest to scientists as ... > full story
• Computer Modeling
  Solar System
  Asteroids, Comets and Meteors
  Space Exploration
  NASA
  Sun
   
  

  Simulation Helps Scientists Better Understand the Origin of Our Solar System

  February 13, 2013 — Simulations boost the significance of image and measurement data from space missions: based on the example of an asteroid. Astrophysicists show collisions with other celestial bodies can be ... > full story
• Sun
  Solar Flare
  Astronomy
  NASA
  Asteroids, Comets and Meteors
  Space Exploration
   
  

  Year Three: NASA's Solar Dynamics Observatory Mission Highlights

  February 12, 2013 — On Feb. 11, 2010, NASA launched an unprecedented solar observatory into space. NASA's Solar Dynamics Observatory (SDO) flew up on an Atlas V rocket, carrying instruments that scientists hoped would ... > full story
• Geomagnetic Storms
  Cosmic Rays
  Black Holes
  Space Exploration
  NASA
  Solar Flare
   
  

  NASA Scientists Build First-Ever Wide-Field X-Ray Imager

  February 7, 2013 — Three NASA scientists teamed up to develop and demonstrate NASA's first wide-field-of-view soft X-ray camera for studying "charge exchange," a poorly understood phenomenon that occurs when the solar ... > full story
• Stars
  Extrasolar Planets
  Astronomy
  Galaxies
  Jupiter
  Kuiper Belt
   
  

  Earth-Size Planets May Be Next Door, Kepler Data Suggest

  February 6, 2013 — Using publicly available data from NASA's Kepler space telescope, astronomers have found that six percent of red dwarf stars have habitable, Earth-sized planets. Since red dwarfs are the most common ... > full story
• Asteroids, Comets and Meteors
  Astronomy
  Space Missions
  Space Exploration
  NASA
  Space Probes
   
  

  NASA's Deep Impact Spacecraft Eyes Comet ISON

  February 5, 2013 — NASA's Deep Impact spacecraft has acquired its first images of comet C/2012 S1 (ISON). The images were taken by the spacecraft's Medium-Resolution Imager over a 36-hour period on Jan. 17 and 18, ... > full story

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