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In this book, the origin of extragalactic systems name, the discovery processes of stars, the characteristics of galaxies, the classification of galaxies and the galaxy distance are introduced systematically to the young readers at the age of 6 to 8 so that the astronomical knowledge can be popularized and the young readers interest in astronomy can be cultivated.
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Li Shanshan, in 2007 graduated from the Nanjing University Department of astronomy. 2010 she got a masters degree of astrophysics. Now she works at the information and computer center of the National Astronomical Observatory of Chinese Sciences Academy.
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Book Description paperback. Condition: New. Language:Chinese.Lesson 1 extragalactic space exploration. Seller Inventory # CS023431