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Young Voices for the Planet DVD in our online store includes 8 films where students speak out and take action on climate change.
On average, people in the U.S.A. are exposed to about 3.6 milliSieverts of radiation each year.
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Windows to the Universe original artwork using data from the National Council on Radiation Protection and Measurements.

Radiation

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Last modified October 27, 2006 by Randy Russell.

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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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Radioactive Decay

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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