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Monday, September 03, 2007

OUR SOLAR SYSTEM

Scientists Find Alfvén waves in Solar corona

Scientists for the first time have observed elusive oscillations in the sun's corona, known as Alfvén waves, that transport energy outward from the surface of the sun.
The discovery may give researchers more insight into solar magnetic fields, eventually leading to a better understanding of how the sun affects Earth's atmosphere and the entire solar system.

Alfvén waves, transverse incompressible magnetic oscillations, have been proposed as a possible mechanism to heat the Sun's corona to millions of degrees by transporting convective energy from the photosphere into the diffuse corona.

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