THEMIS and the March 2007 Substorm

  • Released Monday, December 10, 2007
  • Updated Sunday, January 11, 2015 at 5:48PM
  • ID: 3485

Opening with a view over the North geographic pole, we see the five THEMIS satellites moving along their common orbit. The camera then moves down into the equatorial plane and behind the Earth before we fade in the isosurface enclosing the regions where particles have at least 5keV of energy.

NASA's Time History of Events and Macroscale Interactions during Substorms (THEMIS) mission observed the dynamics of a rapidly developing substorm in March of 2007. This visualization combines the orbits of the THEMIS satellites with a magnetohydrodynamical simulation of the Earth's magnetosphere corresponding to this time.
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A view of the five THEMIS satellites (the color dots) from a location above the north geographic pole.

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The camera moves down near the equatorial plane presenting a side view of the satellites in their orbits.

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Zooming in on the location of the satellites...

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we move to a location behind the Earth.

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Red isosurfaces fade in, representing the boundary of regions where electron temperature (AKA mean energy) exceeds 5 kilo-electron volts.

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The boundaries of the high-energy electrons engulf the THEMIS satellites.

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Energetic electrons continue to flow around the satellites.

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The substorm begins to subside around 11:30UTC.

Credits

Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio

Missions

This visualization is related to the following missions:

Series

This visualization can be found in the following series:

Datasets used in this visualization

THEMIS

Dataset can be found at: http://themis.ssl.berkeley.edu/index.shtml

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GGCM (Collected with the Geospace General Circulation Model (GGCM) sensor)
Model | University of New Hampshire

MHD Magnetospheric simulation

Dataset can be found at: http://openggcm.sr.unh.edu/wiki/index.php/Main_Page

See more visualizations using this data set
SSCweb ephemerides (A.K.A. SSCweb)
Ephemeris | NASA/GSFC Space Physics Data Facility

Satellite ephemerides

Dataset can be found at: http://sscweb.gsfc.nasa.gov

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Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

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