Nasa Says Large Coronal Mass Ejection on Sun headed for Earth

#Science

Tue, Aug 3rd, 2010 13:01 by capnasty NEWS

On Sunday, NASA's Solar Dynamics Observatory detected a complex magnetic eruption on the sun. The flare itself was not that large, but the filament located about 70,000 miles away erupted at the same time.

The problem is, the eruption occurred on the side of the sun facing earth which means, the Coronal Mass Ejection is on its way to the planet earth. It's expected arrival is Aug. 3. This is known as a geomagnetic storm, and they have been known to cause electrical power outages and damage communications satellites. They drive shock waves which produce energetic particles that can be damaging to both electronic equipment and astronauts that venture outside the protection of the Earth's magnetic field. (The Register has an article on this as well).

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