Earth Image

Presented by the Universities Space Research Association, this Web site features a new photo, graphic, or illustration every day. Each one deals with an aspect of earth science. Captions provide information about the images and links to related Web material. The archive, dating back to September 2000, includes images of atmospheric phenomena, unusual cloud formations, celestial events, rocks and minerals, volcanoes, glaciers, and much more.

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From the Nature Index

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