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Complex Solar Eruption Heading Towards Earth

Solar/Cosmic

Monday, 02 August 2010 06:55

GLOBAL ERUPTION: During the early hours of August 1st, NASA's Solar Dynamics Observatory recorded a complex global disturbance on the Earth-facing side of the sun. Most of the sun's northern hemisphere was involved in the event, which included a long-duration C3-class solar flare, a "solar tsunami," and a massive filament eruption. As a result of these blasts, a coronal mass ejection (CME) is heading toward Earth. High-latitude geomagnetic storms and auroras are possible when the cloud arrives on or about August 3.

Image: Sunspot 1092, a key player in yesterday's Earth-directed eruptions, is big enough to see without the aid of a solar telescope. Taken July 31st rising over Blairgowrie, South Africa.(Click to Enlarge)

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Solar Tsunami Heading Towards Earth

 

Earth's Magnetic Shield is Rumbling

Space Science/Technology

Thursday, 29 July 2010 10:48

July 27, 2010: Researchers using NASA's fleet of five THEMIS spacecraft have discovered a form of space weather that packs the punch of an earthquake and plays a key role in sparking bright Northern Lights. They call it "the spacequake."

A spacequake is a temblor in Earth's magnetic field. It is felt most strongly in Earth orbit, but is not exclusive to space. The effects can reach all the way down to the surface of Earth itself.

"Magnetic reverberations have been detected at ground stations all around the globe, much like seismic detectors measure a large earthquake," says THEMIS principal investigator Vassilis Angelopoulos of UCLA.

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Beware of the Spacequake!

 

Spilling Over-Struggling to Survive

Video News

Thursday, 29 July 2010 09:22

Venice, La., is facing extinction. The small fishing community, located just 50 miles away from the Deepwater Horizon disaster, is in jeopardy, as the BP oil spill has put the livelihood of the residents in danger. The people of Venice are now left with a difficult choice. Do they stay and risk their health for the sake of their history and culture? Or do they give up their jobs, their community and their heritage in an effort to flee the lasting effects of the oil spill?

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Video: Spilling Over

 

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