Stock Photo: Coronal holes appear as dark areas of the corona when viewed in ultraviolet light and in X-rays. Coronal holes are the source of strong solar wind gusts that carry solar particles out to our magnetosphere and beyond. These images are over the span of a week, and are Extreme ultraviolet Imaging Telescope (EIT) of the Solar and Heliospheric Observatory (SOHO), at a wavelength of 284 angstroms.
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Image Number: 4389-1635 Rights Managed Credit:NASA Category:Science