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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.
Galileo's "The Phases of the Moon". You can see some of the Moon's craters drawn in the pictures.
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Image courtesy of Biblioteca Nazionale - Florence, Italy

Astronomy throughout History

Astronomers study planets, stars and galaxies. For thousands of years humans have been looking at the sky. Astronomers of the past have found out some really cool stuff, and they didn't even have calculators or computers!

Archeoastronomy is different than looking at the history of astronomy. Archeoastronomers want to find out just how astronomy fit into a certain culture's life.

This section will take you on a journey through time, across the continents and into the lives of people from all times and places. It will touch on the history of astronomy, archeoastronomy and more. Please choose which way you would like to begin your journey:

Journey through Time
Journey by Region
Meet the People Involved

Last modified September 10, 2000 by Jennifer Bergman.

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The Summer 2010 issue of The Earth Scientist, available in our online store, includes articles on rivers and snow, classroom planetariums, satellites and oceanography, hands-on astronomy, and global warming.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA