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Why Does NASA Observe the Sun in Different Colors?

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The Solar Dynamics Observatory, or SDO, spacecraft was launched on Feb. 11, 2010, and began collecting science data a few months later. With two imaging instruments – the Atmospheric Imaging Assembly and the Helioseismic and Magnetic Imager, which were designed in concert to provide complementary views of the Sun – SDO sees the Sun in more than 10 distinct wavelengths of light, showing solar material at different temperatures. SDO also measures the Sun’s magnetic field and the motion of solar material at its surface, and, using a technique called helioseismology, allows scientists to probe deep into the Sun's interior, where the Sun’s complex magnetic fields sprout from. And with more than a decade of observation under its belt, SDO has provided scientists with hundreds of millions of images of our star.

For more information: https://www.nasa.gov/feature/goddard/2021/sun-science-stamps-highlight-a-decade-of-sun-watching-from-space/

Music credits: “Swirling Blizzard” and “Endless Swirl” by Laurent Dury [SACEM] from Universal Production Music

Video credit: NASA's Goddard Space Flight Center
Joy Ng (KBRwyle): Lead Producer
William D. Pesnell (NASA/GSFC): Lead Scientist
C. Alex Young (NASA/GSFC): Lead Scientist
Mara Johnson-Groh (Wyle Information Systems): Support

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Category
Tech
Tags
Solar Dynamics Observatory, Sun, Wavelengths
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