天空与望远镜 Sky&Telescope 2023年9月True PDF电子版下载。
概述:Sky & Telescope (S&T) is a monthly American magazine covering all aspects of amateur astronomy. The articles are intended for the informed lay reader and include detailed discussions of current discoveries, frequently by participating scientists. The magazine is illustrated in full color, with both amateur and professional photography of celestial sights, as well as tables and charts of upcoming celestial events.
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