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  1. New Insights on Comet Tails Are Blowing in the Solar Wind

    STEREO data are contributing to a new understanding of comets and how they are affected by the Sun.





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    Discovering Fine Structure in the Outer Corona

    Scientists use special STEREO campaign data and state-of-the-art image processing to reveal the structure of the solar corona as it flows outward to become the solar wind.





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  3. 3 NASA Satellites Recreate Solar Eruption in 3-D

    The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs, propagate from the Sun - an effort made possible...
  4. Magnetic coil springs accelerate particles on the Sun

    In April and July 2014, the Sun emitted three jets of energetic particles into space, that were quite exceptional: the particle flows contained such high amounts of iron and helium-3, a rare variety...
  5. STEREO images show the Sun's Outer Atmosphere is More Complex than Previously Thought

    The outer part of the Sun's atmosphere, the corona, looks pretty smooth, but new deep exposures of the outer corona reveal complex structures. This should make for some interesting observations from...
  6. Return of the Comet: 96P Spotted by ESA, NASA Satellites

    Sun-gazing missions SOHO and STEREO watched the return of comet 96P/Machholz when it entered their fields of view between Oct. 25-30. It is extremely rare for comets to be seen simultaneously from...
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    Comet 96P/Machholz

    The STEREO and SOHO Teams are gearing up for a planned visit by one of our favorite celestial wanderers! The comet 96P/Machholz should be in the STEREO field of view October 26-28. SOHO will be...
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    Calling all Citizen Scientists!

    Want to help solar scientists use STEREO data to better understand Coronal Mass Ejections?You can do that, with no previous experience required. The Solar Stormwatch Project is looking for volunteers...
  9. NASA's Fermi Sees Gamma Rays from 'Hidden' Solar Flares with help from STEREO

    An international science team says NASA's Fermi Gamma-ray Space Telescope has observed high-energy light from solar eruptions located on the far side of the sun, which should block direct light from...
  10. SUN 360: Our Solar System's Space Weather Watchdog

    Join us for a series of presentations celebrating STEREO and efforts to predict space weather on the 10th anniversary of STEREO's launch, October 25, at 1:00 pm EDT. A panel of scientists including...
  11. Waves on Sun Give New Insight into Space Weather Forecasting

    STEREO and SDO observations of the solar poles reveal large scale waves that could help us predict the locations of future solar active regions.





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  12. Images From Sun's Edge Reveal Origins of Solar Wind

    Ever since the 1950s discovery of the solar wind - the constant flow of charged particles from the sun - there's been a stark disconnect between this outpouring and the sun itself. As it approaches...
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    A NASA Satellite Ends the Silent Treatment

    NASA has re-established contact with an errant spacecraft. In October 2006, the space agency sent twin satellites into orbit to study the Sun. The satellites follow Earth's orbit around the sun, one...
  14. http://www.nytimes.com/2016/08/30/science/a-nasa-satellite-ends-the-silent-treatment.html?_r=0

    NASA has re-established contact with an errant spacecraft. In October 2006, the space agency sent twin satellites into orbit to study the Sun. The satellites follow Earth's orbit around the sun, one...
  15. Seeing Double: NASA Missions Measure Solar Flare from 2 Spots in Space

    Solar flares are intense bursts of light from the sun. They are created when complicated magnetic fields suddenly and explosively rearrange themselves, converting magnetic energy into light through a...
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    NASA Establishes Contact With STEREO Mission

    On Aug. 21, 2016, contact was reestablished with one of NASA's Solar Terrestrial Relations Observatories, known as the STEREO-B spacecraft, after communications were lost on Oct. 1, 2014. Over 22...
  17. Seeing Double: NASA Missions Measure Solar Flare from 2 Spots in Space

    Solar flares are intense bursts of light from the sun. They are created when complicated magnetic fields suddenly and explosively rearrange themselves, converting magnetic energy into light through a...
  18. 26 Feb 2016 - Revisit NASA's Mars Pathfinder and Rover (360 View)

    http://solarsystem.nasa.gov/images/galleries/mars-globe-valles-marineris-enhanced_385.jpg26 Feb 2016 - Revisit NASA's Mars Pathfinder and Rover (360 View)
    You can explore the landing site of NASA's...
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    22 Feb 2016 - 10 Things: February 22

    http://solarsystem.nasa.gov/images/news/Pathfinder_319.jpg22 Feb 2016 - 10 Things: February 22
    Ten things you need to know about our solar system this week: portraits of the space robots

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    18 Feb 2016 - Happy Discovery Day, Pluto

    http://solarsystem.nasa.gov/images/news/nh_tombaugh_319.jpg18 Feb 2016 - Happy Discovery Day, Pluto
    Happy discovery day, Pluto. A young astronomer discovered the icy world on Feb. 18, 1930.

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