Coronal holes are areas in the Sun's atmosphere that appear dark in X-ray and ultraviolet images of the Sun. View a picture and read a description of coronal holes in this article.

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Concepts

plasma

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Additional Tags

solar max, solar prominences, sun's corona, sunspot cycle, sun's atmosphere, ucar: coronal holes in the sun's atmosphere, coronal loops, solar activity, surface and atmosphere

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Classroom Considerations

Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
The intended use for this resource is Instructional

NGSS

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