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Topic: NASA’s FOXSI X-Ray Telescope

NASA’s FOXSI X-Ray Telescope ready to launch in November

 

Written by Karen Fox
NASA’s Goddard Space Flight Center

NASA - National Aeronautics and Space AdministrationGreenbelt, MD – Those who watch the sun are regularly treated to brilliant shows – dancing loops of solar material rise up, dark magnetic regions called sunspots twist across the surface, and dazzling flares of light and radiation explode into space. But there are smaller, barely visible events, too: much smaller and more frequent eruptions called nanoflares.

Depending on how many and how energetic these are, nanoflares may be the missing piece of the puzzle to help understand what seeds the cascade that causes a much bigger flare, or to explain how the sun transfers so much energy to its atmosphere that it’s actually hotter than the surface.

Looking down the telescope tube on FOXSI ­ the Focusing Optics X-ray Solar Imager ­ reveals state-of-the-art optics that will help focus hard x-rays, which usually simply pass right through telescope mirrors. (Credit: NASA/S. Christe)

Looking down the telescope tube on FOXSI ­ the Focusing Optics X-ray Solar Imager ­ reveals state-of-the-art optics that will help focus hard x-rays, which usually simply pass right through telescope mirrors. (Credit: NASA/S. Christe)

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