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Planets, stars and Galaxies

The purpose of this book has not changed in the new edition: there is still a need to present the subject of astronomy to those who, without being well-grounded in mathematics, nevertheless feel that man must have some sense of his place in and his relation to the physical universe. With the ever-increasing ability of man to observe and to travel in the universe it becomes even more important that knowledge of astronomy not be restricted to the scientist.

Từ khóa: Thiên văn học, Vũ trụ học

5 p ovanke 20/07/2020 256 1

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