Solar filament eruption: a fascinating spectacle observed by NASA in 2010
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NASA. A very long solar filament snaking around the Sun erupted brightly on December 6, 2010. The helium gas filament was nearly a million kilometers long (about half a solar radius) and was a prominent feature of the Sun visible for more than two weeks before disappearing by rotation. Filaments, elongated clouds of cold gas suspended above the Sun by magnetic forces, are rather unstable and often break away from the Sun.
Vintage chromogenic print. Label on back. 20.4 X 25.4CM with margins.
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