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Автор: Erik Gregersen
Издательство: Rosen Education Service
Год издания: 2009
isbn: 1615300252
Количество страниц: 224
Язык: english
Формат: PDF
Размер: 21 Мб
Каталожный номер: 28150
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The night sky is positively teeming with wonders, from star clusters and nebulae to quasars. Astronomy is the means by which these and other similar phenomena are discovered and observed. This stellar resource traces the path of modern astronomy, from initial efforts to map the heavens to todays use of high-tech telescopes and cutting-edge devices that help people delve deeper into celestial discovery.
Ключевые теги: телескол, небо, звезда |
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