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Astronomy projects for young scientists
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Necia H. Apfel |
Instructions for a variety of experiments in astronomy including making a telescope, building a planetarium, measuring the circumference of the Earth, and detecting cosmic rays. |
OL3522549W |
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It's all elementary
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Necia H. Apfel |
Traces the search leading to the discovery of the smallest bits of matter, pieces too small to be subdivided, and discusses recent developments in the field of particle physics, or study of the invis… |
OL3522551W |
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The moon and its exploration
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Necia H. Apfel |
Discusses the geological features, movement, and recent exploration of Earth's closest neighbor. |
OL3522553W |