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The Solar 'Constant' - Faculae vs. Sunspots

Three views of the Sun showing different levels of solar activity. The color table has been altered to enhance the appearance of the faculae (white regions) which are hotter than sunspots (red-black regions) and whose greater total area contribute to increasing the solar flux reaching the Earth.
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Low solar activity - October 28, 1998    Low solar activity - October 28, 1998

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Moderate solar activity - April 27, 2002    Moderate solar activity - April 27, 2002

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High solar activity - March 28, 2001    High solar activity - March 28, 2001

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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?2644
Animation Number:2644
Completed:2002-11-30
Animator:Tom Bridgman (GST) (Lead)
Scientists:William R. Ochs (NASA/GSFC)
 Robert F. Cahalan (NASA/GSFC)
 Gary Rottman (University of Colorado/LASP)
Platforms/Sensors/Data Sets:PSPT/CaIIK camera (2002-04-27T18:03:48.864Z, 2001-03-28T18:03:20.113Z, 1998-10-28T19:33:41.000Z)
 SORCE
Series:SORCE Prelaunch
Please give credit for this item to:
NASA/Goddard Space Flight Center
Scientific Visualization Studio. Source data courtesy of HAO & NSO PSPT project team. HAO is a division of the National Center for Atmospheric Research which is supported by the National Science Foundation.Special thanks to Vanessa George (University of Colorado/LASP) and Randy Meisner(Michigan State University)
 
Keywords:
SVS >> Faculae
SVS >> Solar Cycle
DLESE >> Space science
SVS >> Sun
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Sunspots
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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