Название: The Sun (Early Bird Astronomy)
Автор: Laura Hamilton Waxman
Издательство: Lerner Pub Group
ISBN: 0761338713
Год: 2010
Формат: PDF
Страниц: 50
Размер: 23,5 МБ
Язык: Английский
Introduces the sun, including information on its composition, the solar cycle, sunspots, and how it has been studied through history.