Here are a variety of approaches to this:

and here is a visualizaiton of model data:


On Mar 4, 2008, at 3:01 PM, Eric J. Pyle wrote:

If you wish to see an idealized version (without the influence of the solar wind), you can use Celestia with the magnetic field add-on.  The basic program can be found at and the addon at  There are a couple of tweaks to the add-on that allow you to show (or not) various field lines and particle pathways.

Eric Pyle

---- Original message ----
Date: Tue, 4 Mar 2008 12:13:30 -0800
From: Tom-Pierre Frappé <[log in to unmask]>
Subject: good visualizations of the Earth's magnetic field?
To: [log in to unmask]
>Hi all,
>I am teaching an online course ( university level, 3rd year). My
>students are having a lot of difficulty visualizing the geomagnetic
>field, and making sense of how the declination/inclination changes
>Does anyone knows of good online visualization for the magnetic field of
>the Earth?
>3D would be best, and interactive simulations would be ideal, but I
>might be wishing for the moon... you can email me your suggestions off
>list, I'll compile them and send a summary back to the list-serve.
>many thanks for your suggestions!
>Tom-Pierre Frappé
>EOS-Science Education Initiative / ECAC & EOSC114 Administrator
>Dept. Earth and Ocean Sciences
>University of British Columbia
>6339 Stores Road
>Vancouver, B.C.
>V6T 1Z4, Canada
>fax: (604)822-6047
>[log in to unmask]

Dr. Cathryn A Manduca
Director, Science Education Resource Center
Executive Director, National Association of Geoscience Teachers
Carleton College
Northfield, MN  55057
507 646-7096