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    NASA caught the sun smiling down on us, but the grin could signal a solar storm

    The dark patches, known as coronal holes, are regions where solar wind escapes more quickly and readily into space. Geomagnetic storms can disrupt GPS and hurt the power grid.
    by Ashley Ahn Oct 29, 2022 1 minute
    NASA's Solar Dynamics Observatory captured an image of the sun "smiling" in 193 angstrom light on Oct. 26.

    NASA's Solar Dynamics Observatory (SDO) this week captured an in ultraviolet light featuring three dark patches that look like a smiling face — a face that could signal a solar storm with problems for Earth.

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