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Mysteries of the Universe

Lela Nargi

出版	Raintree, 2021-07-22
主題	Juvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Technology / Aeronautics, Astronautics & Space Science
ISBN	13982047819781398204782
URL	http://books.google.com.hk/books?id=iqE4EAAAQBAJ&hl=&source=gbs_api
EBook	SAMPLE

註釋

Has the universe always existed? Scientists have looked further into space and discovered the galaxies moving. Were they once closer together? If scientists look far enough, can they discover where our universe started? Budding astronomers will learn all about the universe in this in-depth look at space science.