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Solar Flares and Solar WInds

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  1. Nov 27, 2014 #1
    How are solar flares and solar winds generated due to the magnetic field of the sun ?
    Please elaborate and provide detailed explanation if possible.
     
  2. jcsd
  3. Nov 27, 2014 #2
  4. Nov 27, 2014 #3

    Ken G

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    It's not well known, but the basic idea is that convection near the surface of the Sun "tangles up" the magnetic fields, which puts free energy into those fields, as evidenced by the presence of currents along the field lines. The free energy can be released when the currents are dissipated and the field returns to a less contorted state, and that can also lead to the ejection of gas and field energy into interplanetary space.
     
  5. Feb 9, 2015 #4

    Dotini

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    It's a great time to study a giant magnetic filament with the prospect of the rare Hyder flare erupting from it.

    WHAT'S INSIDE THE GIANT MAGNETIC SLINKY?:
    A giant, slinky-shaped column of magnetism has formed on the sun, shown below in an extreme UV image from NASA's Solar Dynamics Observatory. What's inside the curly column? Click on the image to find out:​
    slinky_strip.jpg
    It's a dark solar filament--essentially, a tendril of plasma more than 1,000,000 km long held suspended above the surface of the sun by magnetic forces. If the filament becomes unstable and erupts, it could hurl parts of itself into space. Pieces of the filament falling back to the solar surface would explode upon impact, creating one or more Hyder flares.​

    Astronomers with backyard solar telescopes are encouraged to monitor the structure as it turns toward Earth. A photogenic explosion may be in the offing. Solar flare alerts: text, voice
     
    Last edited: Feb 9, 2015
  6. Feb 11, 2015 #5

    Dotini

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    SUPER SOLAR FILAMENT: It is, arguably, the second biggest thing in the solar system. A filament of magnetism almost 1,000,000 km long is stretching across the face of the sun. Only the sun itself is bigger. Yesterday in the Canary Islands, Frank A. Rodriguez used a Lunt Solar Telescope to photograph the super structure:
    filament_strip.jpg
    This is a solar filament, a tendril of plasma held suspended above the surface of the sun by magnetic forces. Filaments appear on the sun all the time, but this one is unusually large, 5 to 10 times longer than ordinary filaments. If it becomes unstable and erupts, it could hurl parts of itself into space. Pieces of the filament falling back to the solar surface would explode upon impact, sparking a Hyder flare.
    Astronomers with backyard solar telescopes are encouraged to monitor the structure in the days ahead. A photogenic explosion may be in the offing.Solar flare alerts: text, voice
     
  7. Feb 11, 2015 #6

    davenn

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    I have been promising myself a solar telescope for years with one of those very narrow band but adjustable filters
     
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