File:Sand under electron microscope.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:25, 28 April 2006		270 × 210 (16 KB)	Holly Cheng	{{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 }}

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