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  Sun's Loops Are Displaying an Optical Illusion

  July 9, 2013 — To understand how the corona is heated, some astronomers study coronal loops. These structures are shaped like an upside-down U and show where magnetic field lines are funneling solar gases or ... > full story
• Nebulae
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  135-Year-Old Meteorite Mystery Solved? Chondrules May Have Formed from High-Pressure Collisions in Early Solar System

  July 8, 2013 — A normally staid scientist has stunned many of his colleagues with his radical solution to a 135-year-old mystery in cosmochemistry. At issue is how numerous small, glassy spherules had become ... > full story
• Sun
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  Matter-Antimatter Asymmetry: Using the Sun to Illuminate a Basic Mystery of Matter

  July 8, 2013 — Antimatter has been detected in solar flares via microwave and magnetic-field data, according to researchers. The finding sheds light on the puzzling strong asymmetry between matter and antimatter by ... > full story
• Asteroids, Comets and Meteors
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  Cosmic Dust Belts Without Dust

  July 8, 2013 — Planets and asteroids, red giants and brown dwarfs – there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and ... > full story
• Sun
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  Solar Prominences Put on Strange and Beautiful Show in the Sun's Sky

  July 5, 2013 — Cloud spotting seems to be growing in popularity as a hobby here on Earth. Now scientists studying the solar atmosphere are building their own collection of fascinating moving features that ... > full story
• Solar Flare
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  Space Weather Forecast Study Turns Table of Effective Predictions on Its Head

  July 5, 2013 — A comparison of solar flare forecasting systems has turned the performance table of apparently effective prediction methods on its head.  Researchers have tested the reliability of seven ... > full story
• Asteroids, Comets and Meteors
  Astronomy
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  Comet ISON Brings Holiday Fireworks

  July 2, 2013 — Superficially resembling a skyrocket, Comet ISON is hurtling toward the Sun at 48,000 miles per hour. In May 2013, the comet was 403 million miles from Earth, between the orbits of Mars and ... > full story
• Solar Flare
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  Solar Dynamic Loops Reveal a Simultaneous Explosion and Implosion, Plus Evidence for Magnetic Reconnection

  July 2, 2013 — Movies of giant loops projecting from the surface of the Sun are giving new insights into the complex mechanisms that drive solar flares and Coronal Mass Ejections (CMEs). These eruptions release ... > full story
• Geomagnetic Storms
  Atmosphere
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  Cluster Spacecraft Detects Elusive Space Wind

  July 2, 2013 — A new study provides the first conclusive proof of the existence of a space wind first proposed theoretically over 20 years ago. By analysing data from the European Space Agency’s Cluster ... > full story
• Extrasolar Planets
  Astronomy
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  Eris (Xena)
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  Astronomer Uncovers the Hidden Identity of an Exoplanet

  July 1, 2013 — Hovering about 70 light-years from Earth –- that's "next door" by astronomical standards –– is a star astronomers call HD 97658, which is almost bright enough to see with the naked ... > full story

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