solar prominence(redirected from Solar filament)
Also found in: Dictionary, Thesaurus, Wikipedia.
solar prominence[′sō·lər ′präm·ə·nəns]
Sheets of luminous gas emanating from the sun's surface; they appear dark against the sun's disk but bright against the dark sky, and occur only in regions of horizontal magnetic fields.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.