File:Sand under electron microscope.jpg

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Summary

Description	Sand under an electron microscope.
Source	http://exploration.nasa.gov/articles/06dec_dunes.html
Date	not specified, {{{Location}}}
Author	NASA
Permission	US government, public domain Other versions: {{{other_versions}}}

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:57, 21 May 2007		270 × 210 (16 KB)	Envoy (talk \| contribs)	== Summary == {{Information \| Description=Sand under an electron microscope. \| Source=http://exploration.nasa.gov/articles/06dec_dunes.html \| Date=not specified \| Author=NASA \| Permission=US government, public domain }} == Licensing == {{PD-USGov-NASA}}

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