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An Erupting Solar Prominence from SOHO
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An Erupting Solar Prominence from SOHO
Credit & Copyright: SOHO-EIT Consortium, ESA, NASA
Explanation: Our Sun is still very active. In the year 2000, our Sun went though Solar Maximum, the time in its 11-year cycle where the most sunspots and explosive activities occur. Sunspots, the Solar Cycle, and solar prominences are all caused by the Sun's changing magnetic field. Pictured above is a solar prominence that erupted in 2002 July, throwing electrons and ions out into the Solar System. The above image was taken in the ultraviolet light emitted by a specific type of ionized helium, a common element on the Sun. Particularly hot areas appear in white, while relatively cool areas appear in red. Our Sun should gradually quiet down until Solar Minimum occurs, and the Sun is most quiet. No one can precisely predict when Solar Minimum will occur, although some signs indicate that it has started already!

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Russkii tekst
Based on Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: prominence - SOHO - Ul'trafioletovoe izluchenie - aktivnye oblasti - Solnechnye pyatna - solnechnyi cikl - Solnechnaya aktivnost' - Protuberanec
Publikacii so slovami: prominence - SOHO - Ul'trafioletovoe izluchenie - aktivnye oblasti - Solnechnye pyatna - solnechnyi cikl - Solnechnaya aktivnost' - Protuberanec
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