Status Report

SOHO Pick of the Week: 23 Oct 2001: Huge Eruptive Prominence

By SpaceRef Editor
October 24, 2001
Filed under , ,

  • Higher resolution version (TIF, 5.2M)

    A solar prominence in extreme ultraviolet light (He II at 304Å)
    breaks away from the Sun. Prominences are huge clouds of relatively
    cool, dense plasma suspended in the Sun’s hot, thin corona. Magnetic
    fields built up enormous forces that propelled particles out beyond
    the Sun’s surface. Emission in this spectral line shows the upper
    chromosphere at a temperature of about 60,000 degrees K. To give a
    sense of scale, the prominence extends about 30 Earths out from the

  • SpaceRef staff editor.