Filament of magnetism is curling around the sun’s southeastern quadrant

filament-of-magnetism-is-curling-around-the-suns-southeastern-quadrant

Newly-arriving data from NASA’s STEREO probes suggest that a coronal mass ejection (CME) might be heading toward Earth. The source of the cloud appears to be sunspot complex 1185-1186, which experienced an episode of magnetic instability during the early hours of April 9th. Stay tuned for updates to this preliminary analysis. CME movies: STEREO-ASTEREO-B.

A magnificent filament of magnetism is curling around the sun’s southeastern quadrant today. Measuring more than 700,000 km from end to end, the vast structure is about twice as long as the separation between Earth and the Moon.

It’s not easy for such a filament to remain suspended indefinitely above the stellar surface, and indeed a collapse is possible. Filaments falling onto the sun can trigger explosions called “Hyder flares.” Is one in the offing? Readers with solar telescopesare encouraged to monitor developments.

http://spaceweather.com/

Joint USAF/NOAA Report of Solar and Geophysical Activity on 08 Apr 2011:
Solar activity is expected to be at very low to low levels for the next three days (09-11 April). The geomagnetic field was predominantly quiet, with isolated unsettled levels. The geomagnetic field is expected to be at quiet to unsettled levels, with active levels at high latitudes on day one (09 April). Quiet to unsettled levels are expected, with isolated active levels at mid latitudes and minor storm levels at high latitudes, on days two and three (10-11 April). The increase in activity is due to a coronal hole high-speed stream.

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