"Second biggest thing in the solar system"

Delta4Embassy

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SpaceWeather.com -- News and information about meteor showers solar flares auroras and near-Earth asteroids

"SUPER SOLAR FILAMENT: It is, arguably, the second biggest thing in the solar system. A filament of magnetism almost 1,000,000 km long is stretching across the face of the sun. Only the sun itself is bigger. Yesterday in the Canary Islands, Frank A. Rodriguez used a Lunt Solar Telescope to photograph the super structure

This is a solar filament, a tendril of plasma held suspended above the surface of the sun by magnetic forces. Filaments appear on the sun all the time, but this one is unusually large, 5 to 10 times longer than ordinary filaments. If it becomes unstable and erupts, it could hurl parts of itself into space. Pieces of the filament falling back to the solar surface would explode upon impact, sparking a Hyder flare.

Astronomers with backyard solar telescopes are encouraged to monitor the structure in the days ahead. A photogenic explosion may be in the offing."
 

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