File:NASA 54558main world med1.gif

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Summary

Description

English: A schematic diagram of Earth's interior. The outer core is the source of the geomagnetic field.

Date

29 December 2003

Source

Author

Dr. Tony Phillips

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:07, 9 January 2007		548 × 527 (91 KB)	DMY	http://www.nasa.gov/vision/earth/lookingatearth/29dec_magneticfield.html a schematic diagram of Earth's interior. The outer core is the source of the geomagnetic field

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