Cover image for The secrets of Earth
Title:
The secrets of Earth
ISBN:
9781491458631

9781491458969
Physical Description:
32 pages : illustrations (some color) ; 23 cm.
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Summary:
"Discusses Earth as a part of the solar system, including ancient astronomers' research that changed the way Earth was understood, explorations outside of Earth's atmosphere, and the possibility of sending humans to other planets"--
Holds: