One Half Million Mile Solar Filament
- Uploaded by Everything3d2.com on Aug 12, 2012
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http://www.everything3d2.com/ NASA’s Solar Dynamics Observatory (SDO) captures a very long, whip-like solar filament extending over half a million miles in a long arc above the sun’s surface. Filaments are cooler clouds of solar material that are tethered above the sun’s surface by unstable magnetic forces.