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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.

Michael McCulley

Michael McCulley was an American astronaut who was born on August 4, 1943, in California. Before he became an astronaut, McCulley was a test pilot for the Navy. He has flown over 5000 hours in 50 types of aircraft.

McCulley became an astronaut in 1984. He has spent over 107 hours in space on one spaceflight. In 1989, McCulley served as pilot for STS-34. The crew deployed the spacecraft Galileo during this mission. Galileo travelled to Jupiter and is currently gathering information about the large planet.



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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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Science, Evolution, and Creationism

How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more

Andrew Allen

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Jay Apt

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Neil Armstrong

Neil Armstrong is an American astronaut who was born in Ohio in 1930. In July of 1969, he made history by becoming the first person to walk on the moon. Before entering the space program, Armstrong was...more

Ellen Baker

Ellen Baker is an American astronaut who was born on April 27, 1953 in North Carolina. Before she became an astronaut she was a geologist and a medical doctor. Baker joined NASA as a medical officer in...more

Michael Baker

Michael Baker is an American astronaut who was born on October 27, 1953 in Tennessee. Before he became an astronaut, Baker was a Navy pilot. He flew over 5000 hours aboard 50 different types of aircraft....more

John Blaha

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Guion Bluford

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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