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Solar wind is strongest around coronal holes | Science News
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Coronal holes like this one imaged by NASA’s Solar Dynamics Observatory in May 2014 are regions with little plasma, so they appear dark in certain wavelengths. Although they look empty, the holes are where the solar wind is strongest. A quick-fire polarization camera should help scientists detect the origins of the solar wind during the Aug. 21 eclipse.
Video: SDO/NASA
Video: SDO/NASA
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