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Under the Rotating Sunspot (Layers 0, 1, 2)
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
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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
  160 x 80           PNG 26 KB
  320 x 240         JPEG 22 KB
  80 x 40             PNG   7 KB


Layer 3000 kilometers below the solar surface.    Layer 3000 kilometers below the solar surface.

Available formats:
  2560 x 1920     TIFF 1 MB
  320 x 240         JPEG 24 KB


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

Available formats:
  2560 x 1920     TIFF 1 MB
  320 x 240         JPEG 21 KB


None    None

Available formats:
  720 x 528         JPEG 155 KB
  320 x 234         PNG 253 KB

Animation Number:2304
Animator:Tom Bridgman (Lead)
Studio:SVS
Completed:2001-12-06
Scientists:Junwei Zhao (Stanford University)
 Alexander G. Kosovichev (Stanford University)
Instrument:SOHO/MDI
Data Collected: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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