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Temperature and Flows under a Sunspot (Layers 0, 2, 4)
Using the SOHO Michelson Doppler Interferometer (MDI), scientists can use a process called Time-Distance helioseismology to determine temperatures and fluid flows under the surface of the Sun.

Zoom into the sunspot and reveal temperature and flow profiles revealed by time-distance helioseismology.    Zoom into the sunspot and reveal temperature and flow profiles revealed by time-distance helioseismology.
Duration: 9.0 seconds
Available formats:
  320x240 (30 fps) MPEG-1   1 MB
  320x240     JPEG         10 KB
  720x480 (29.97 fps) DV             34 MB
  320x240 (30 fps) X-FLV       372 KB
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Temperature anomalies (color) and flow directions at the solar surface. The darker blue region corresponds to the sunspot itself.    Temperature anomalies (color) and flow directions at the solar surface. The darker blue region corresponds to the sunspot itself.

Available formats:
  2560 x 1920     TIFF 1 MB
  320 x 240         JPEG     22 KB


Layer 5000 kilometers below the solar surface.    Layer 5000 kilometers below the solar surface.

Available formats:
  2560 x 1920     TIFF 2 MB
  160 x 80           PNG       26 KB
  320 x 240         JPEG     23 KB
  80 x 40             PNG         7 KB


Layer 9000 kilometers below the solar surface.    Layer 9000 kilometers below the solar surface.

Available formats:
  2560 x 1920     TIFF 1 MB
  320 x 240         JPEG     20 KB


Video slate image reads    Video slate image reads "Temperature and Flows under a Sunspot (Layers 0, 2, 4)".

Available formats:
  720 x 528         JPEG   150 KB
  320 x 234         PNG     254 KB

Animation Number:2314
Completed:2001-12-07
Animator:Tom Bridgman (GST) (Lead)
Scientists:Junwei Zhao (Stanford University)
 Alexander G. Kosovichev (Stanford University)
Platform/Sensor/Data Set:SOHO/Michelson Doppler Interferometer (MDI) (2000/08/08-2000/08/10)
Series:Spinning Sunspot
Video:SVS2001-0026 *
Goddard TV Tape:G2001-112
Keywords:
SVS >> Helioseismology
DLESE >> Space science
SVS >> Sun
GCMD >> EARTH SCIENCE >> Sun-earth Interactions >> Solar Activity >> Sunspots
More Information on this topic available at:
http://www.gsfc.nasa.gov/topstory/20011210insidesun.html
 
 
Please give credit for this item to:
NASA/Goddard Space Flight Center
Scientific Visualization Studio


*Please note: the SVS does not fulfill requests for copies of the tapes in our library. On some of our animation pages, there is a direct link to a video distribution service from which tapes, handled by the Public Affairs Office (PAO)/Goddard TV, including some of our animations may be ordered. General information on this service can be found here.


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