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Earth's Magnetic Field interactive

This interactive animation lets you explore the magnetic field surrounding Earth. Drag the compass through the space around Earth to explore the shape of Earth's magnetic field. Many spacecraft have instruments called magnetometers that help scientists map out the shape of planetary magnetic fields.

(Note: If you cannot see the animation below, or it is not working properly, you may need to download the latest Flash player.)

Last modified March 18, 2004 by Randy Russell.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF