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How scientists used NASA data to predict the corona of the Aug. 21 Total Solar Eclipse
When the total solar eclipse swept across the United States on Aug 21, 2017, NASA satellites captured a diverse set of images from space. Days before the eclipse, some NASA satellites also enabled scientists to predict what the corona-the Sun's outer atmosphere-would look like during the eclipse, from the ground. As the corona and solar material spread outward from the Sun, they can manifest themselves as disturbances in near-Earth space, known as space weather.
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