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Spotted: A ‘Hole’ in the Sun

NASA/Solar Dynamics Observatory

Spotted: A 'Hole' in the Sun

NASA astronomers have glimpsed a square-shaped “hole” in the sun. Known as a coronal hole, the dark area represents a portion of the star that is less dense and cooler than its surroundings, the Daily Mail reports. The spot is a typical feature that occurs on the sun and is the source of solar winds, or streams of plasma energy, that burst out from its atmosphere.

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