1. An image of the Sun with orange flares.

    Keeping aircraft safe

    When a geomagnetic storm blasted Earth on January 24, commercial airlines redirected a handful of flights were originally routed to fly over the North Pole. Behind the scenes, NCAR scientists play a role in safety precautions such as these.

    • Sun + Space Weather

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  2. Winter’s stratospheric reach

    Sudden heat-ups of the outer atmosphere are gaining attention for their impacts on communications, but can they be forecast?

    • Sun + Space Weather

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  3. UCAR Magazine

    HiWind indeed

    A balloon-borne instrument sailing in the Arctic stratosphere in June obtained some of the best observations to date on the high-speed, Sun-driven winds that howl through the thermosphere more than 100 kilometers (60 miles) above Earth.

    • Sun + Space Weather

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  4. NASA SDO satellite image: AIA 171 on 2011-07-26 at 22:45:01 UT

    Wave power can drive Sun’s intense heat

    Alfvén waves contain enough energy to heat the corona and drive the solar wind.

    • Sun + Space Weather

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  5. UCAR Magazine

    Could a weaker Sun avert global warming?

    The Sun drives our climate, so a slowdown in solar activity would surely put the brakes on global warming—wouldn’t it? That question percolated through the media following a set of reports from a solar physics meeting.

    • Climate,
    • Sun + Space Weather

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