書籍詳情
格式
平裝書
頁數
24
語言
英語
已出版
Jul 30, 2013
出版商
Av2 by Weigl
ISBN-10
1621272621
ISBN-13
9781621272625
描述
Dwarf planets are smaller than planets and can be found throughout the solar system. So far, five dwarf planets have been officially recognized. Scientists think there may be hundreds more dwarf planets in the solar system. Learn these facts and more in Dwarf Planets, an Exploring Our Solar System book.