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Arches National Park Geology Tour provides an extensive, visually rich description of the geology of Arches, by Deborah Ragland, Ph.D. See our DVD collection.

Lunar Eclipse Sites

Sky and Telescope's Eclipse Page

Lunar Eclipse Information

How to Observe and Photograph a Lunar Eclipse

A Catalog of Lunar Eclipses

Mr. Eclipse


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Traveling Nitrogen Classroom Activity Kit

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Lunar Eclipse January 20, 2000

The last lunar eclipse of the millennium in North America is this week! On January 20, 2000, which is Thursday for those living in North America, a total lunar eclipse will occur. A lunar eclipse is different...more

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