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Solar Cycle 25

Viewing Posts from August 2020

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    Coronal Holes and Fast Solar Wind

    The dark spot across the north pole of the Sun – as captured in this image on July 31, 2020, from NASA's Solar Dynamics Observatory, or SDO – is an area of relatively cooler material in the solar atmosphere, known as a coronal hole. Coronal holes are regions on the Sun where the magnetic field …

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