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    solar energetic particles tagged posts

    NASA Scientists demonstrate Technique to Improve Particle Warnings that Protect Astronauts

    March 4, 2017, Categories  Astronomy/Space

    Scientists from NASA and the National Center for Atmospheric Research have shown that data from a ground-based instrument called K-Cor can give scientists early warning of a certain type of incoming space weather that can impact astronauts. This composite image shows a coronal mass ejection, a type of space weather linked to solar energetic particles, as seen from two space-based solar observatories and one ground-based instrument. The image in gold is from NASA's Solar Dynamics Observatory, the image in blue is from the Manua Loa Solar Observatory's K-Cor coronagraph, and the image in red is from ESA and NASA's Solar and Heliospheric Observatory. Credit: NASA/ESA/SOHO/SDO/Joy Ng and MLSO/K-Cor

    Scientists from NASA and the National Center for Atmospheric Research have shown that data from a ground-based instrument called K-Cor can give scientists early warning of a certain type of incoming space weather that can impact astronauts. This composite image shows a coronal mass ejection, a type of space weather linked to solar energetic particles, as seen from two space-based solar observatories and one ground-based instrument. The image in gold is from NASA’s Solar Dynamics Observatory, the image in blue is from the Manua Loa Solar Observatory’s K-Cor coronagraph, and the image in red is from ESA and NASA’s Solar and Heliospheric Observatory.
    Credit: NASA/ESA/SOHO/SDO/Joy Ng and MLSO/K-Cor

    Scientists have proven that the warning signs of one type of space weather event can be detected ...

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    Solar Storms could Spark Soils at Moon’s Poles

    January 7, 2017, Categories  Astronomy/Space

    Illustration showing how solar storms charge lunar soil

    Illustration showing how solar energetic particles may cause dielectric breakdown in lunar regolith in a permanently shadowed region (PSR). Tiny breakdown events could occur throughout the floor of the PSR. Credits: NASA/Andrew Jordan

    Powerful solar storms can charge up the soil in frigid, permanently shadowed regions near the lunar poles, and may possibly produce “sparks” that could vaporize and melt the soil, perhaps as much as meteoroid impacts. This alteration may become evident when analyzing future samples from these regions that could hold the key to understanding the history of the moon and solar system.

    The moon has almost no atmosphere, so its surface is exposed to the harsh space environment...

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