Monday, August 01, 2011

Solar Tornado July 12

"A NASA satellite has caught a stunning, yet eerie, video of a huge plasma twister rising up from the surface of the sun.
The video, taken by the Solar Dynamics Observatory, shows a plasma eruption that swirls up like a tornado to a dizzying height of up to 93,206 miles (150,000 kilometers) above the solar surface.
"Its height is roughly between 10 to 12 Earths," solar astrophysicist C. Alex Young of NASA's Goddard Space Flight Center in Greenbelt, Md., told SPACE.com.
The solar twister occurred on July 12 when an eruption of magnetic plasma, called a prominence, spiraled up from the sun in a graceful whirlwind, then split into four separate strands that twisted into a knot before fading away. The entire event lasted just a few hours."

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