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  NASA Releases Images of Earth by Two Interplanetary Spacecraft

  July 22, 2013 — Color and black-and-white images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space. NASA's Cassini ... > full story
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  Large Coronal Hole Near the Sun's North Pole

  July 19, 2013 — Astronomers captured an image of a gigantic coronal hole hovering over the sun's north pole on July 18, 2013, at 9:06 a.m. EDT. Coronal holes are dark, low density regions of the sun's outermost ... > full story
• Extrasolar Planets
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  Snow in an Infant Solar System: A Frosty Landmark for Planet and Comet Formation

  July 18, 2013 — A snow line has been imaged in a far-off infant solar system for the very first time. The snow line, located in the disc around the Sun-like star TW Hydrae, promises to tell us more about the ... > full story
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  MAVEN Spectrometer Opens Window to Red Planet’s Past

  July 18, 2013 — When NASA's MAVEN mission begins its journey to the Red Planet later this year, it will be equipped with a special instrument to take the planet back in ... > full story
• Astrophysics
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  Slow Bow Shock Ahead of the Sun's Heliosphere Predicted

  July 18, 2013 — A new study indicates that a bow shock (a dynamic boundary between sun’s heliosphere and the interstellar medium) is highly likely. These findings challenge recent predictions that no such bow ... > full story
• Extrasolar Planets
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  In the Zone: How Scientists Search for Habitable Planets

  July 17, 2013 — There is only one planet we know of, so far, that is drenched with life. That planet is Earth, and it has all the right conditions for critters to thrive on its surface. Do other planets beyond our ... > full story
• Sun
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  Heart of Space Weather Observed in Action

  July 15, 2013 — Two NASA spacecraft have provided the most comprehensive movie ever of a mysterious process at the heart of all explosions on the sun: magnetic reconnection. Magnetic reconnection happens when ... > full story
• Sun
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  Solar Tsunami Used to Measure Sun's Magnetic Field

  July 11, 2013 — A solar tsunami observed by NASA's Solar Dynamics Observatory and the Japanese Hinode spacecraft has been used to provide the first accurate estimates of the Sun's magnetic ... > full story
• Black Holes
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  Stellar Monsters Do Not Collide: No Hope for a Spectacular Catastrophe

  July 11, 2013 — One might expect that collisions between the remains of monstrous stars, with masses reaching 200-300 times that of our Sun, would be among the most spectacular phenomena in the Universe. Perhaps ... > full story
• Sun
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  IBEX Spacecraft Images the Heliotail, Revealing an Unexpected Structure

  July 10, 2013 — NASA's Interstellar Boundary Explorer spacecraft recently provided the first complete pictures of the solar system's downwind region, revealing a unique and unexpected ... > full story

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