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Become a nitrogen atom in the nitrogen cycle in our Traveling Nitrogen Classroom Activity Kit/Game. See all our games, activity kits and classroom activities.

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


Shop Windows to the Universe Science Store!

Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

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Cool It! Game

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