1. The Sun. Credit NASA.

    New model reveals origins of the Sun's seasons

    The solar seasons — which change every six to 18 months from "bursty" to quiet, and vice versa — have been realistically simulated for the first time in a computer model.

    • Sun + Space Weather

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  2. Scientists announce eclipse projects: NASA image of solar eclipse

    Eclipse science along the path of totality

    Leading U.S. solar scientists highlight research activities that will take place across the country during next month's rare solar eclipse.

    • Sun + Space Weather

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  3. A solar eclipse in 1998

    NCAR to take rare infrared measurements during solar eclipse

    NCAR scientists plan to use the total eclipse on Aug. 21 to comprehensively measure, for the first time, the infrared radiation streaming out from the Sun's corona.

    • Sun + Space Weather

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  4. Coronal bright points

    Planetary waves, first found on Earth, are discovered on Sun

    The same kind of large-scale planetary waves that meander through the atmosphere high above Earth's surface may also exist on the Sun, according to a new study led by a scientist at NCAR.

    • Sun + Space Weather

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  5. A solar event on Jan. 1, 2016

    Space weather warnings could arrive earlier with NCAR coronagraph

    A research instrument atop the Mauna Loa volcano in Hawaii could be used to provide earlier warnings to astronauts when dangerous high-energy particles are blasted out of the Sun's corona.

    • Sun + Space Weather

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