TECHNOLOGY
(4) 4-6 21st Century Science series. Broad in coverage and optimistic in attitude, this volume introduces subtopics ranging from the planets, stars, and galaxies to deep space probes and predictions of humans returning to the moon and exploring Mars. Also covered are telescopes, rockets, and the search for extraterrestrial life. Breadth and a highly segmented format result in rather superficial treatments, but the text is augmented with color photographs and diagrams. Glos., ind.

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