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NASA’s SDO Reveals How Magnetic Cage on the Sun Stopped Solar Eruption 5nvklj





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NASA’s SDO Reveals How Magnetic Cage on the Sun Stopped Solar Eruption

Dragon
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NASA’s SDO Reveals How Magnetic Cage on the Sun Stopped Solar Eruption Empty NASA’s SDO Reveals How Magnetic Cage on the Sun Stopped Solar Eruption

Post by Dragon Sun Feb 25, 2018 1:53 am

A dramatic magnetic power struggle at the Sun’s surface lies at the heart of solar eruptions, new research using NASA data shows. The work highlights the role of the Sun’s magnetic landscape, or topology, in the development of solar eruptions that can trigger space weather events around Earth.

The scientists, led by Tahar Amari, an astrophysicist at the Center for Theoretical Physics at the École Polytechnique in Palaiseau Cedex, France, considered solar flares, which are intense bursts of radiation and light. Many strong solar flares are followed by a coronal mass ejection, or CME, a massive, bubble-shaped eruption of solar material and magnetic field, but some are not — what differentiates the two situations is not clearly understood.

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Post by Dragon Sun Feb 25, 2018 1:59 am

NASA’s SDO Reveals How Magnetic Cage on the Sun Stopped Solar Eruption Sdoflare
Credits: Tahar Amari et al./Center for Theoretical Physics/École Polytechnique/NASA Goddard/Joy Ng

On Oct. 24, 2014, NASA’s SDO observed an X-class solar flare erupt from a Jupiter-sized sunspot group.

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Post by Dragon Sun Feb 25, 2018 2:01 am

[img]
Credits: Tahar Amari et al./Center for Theoretical Physics/École Polytechnique/NASA Goddard/Joy Ng

In this series of images, the magnetic rope, in blue, grows increasingly twisted and unstable. But it never erupts from the Sun’s surface: The model demonstrates the rope didn’t have enough energy to break through the magnetic cage, in yellow.

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Post by Dragon Sun Feb 25, 2018 2:06 am



10/24/2014 -- X3.1 Solar Flare -- Long Duration X Class Event -- Earth Facing (SDO)

 

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