Contact: Susan Hendrix
NASA/Goddard Space Flight Center
Caption: A filament of cold dense solar material moved toward the front of a Jan. 20, 2005, coronal mass ejection, which led to an unusually large amount of solar material funneling into near-Earth space during a Jan. 21 solar storm.
Credit: Janet Kozyra
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Related news release: Researchers use NASA and other data to look into the heart of a solar storm