Tuesday, February 18, 2014

400,000 Mile Long Solar Filament Release.

BPEarthWatch BPEarthWatch


   



Published on Feb 17, 2014
The sun releashes an earth facing filament. CME ALERT.
Solar and Quake links http://www.Bpearthwatch.com

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Space Weather

by Dr. Tony Phillips.

'RADIOACTIVE' ERUPTION:

On Feb. 17th at approximately 04:50 UT, a magnetic filament erupted from the sun's western limb. NASA's Solar Dynamics Observatory captured this high-resolution image of the blast:
Because of its location on the sun's western limb, the eruption did not send a CME toward Earth. However, there was an effect on our planet: Shortwave radio loudspeakers roared with static, an event called a Type II radio burst.
Here's how it works: The explosion sent shock waves rippling through the sun's atmosphere. Those shock waves, in turn, triggered plasma instabilities in the solar corona that emit strong radio emissions. The static-y "roar" of the explosion was picked up by solar observatories and ham radio stations across the dayside of our planet. Based on the sweep of radio frequencies from 20 MHz to 500 MHz, analysts estimate a shock velocity of 776 km/s or 1.7 million mph. That may sound fast, but it is typical for this type of eruption.

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