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Search - It's Astronomical: Tools of Astronomy
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It's Astronomical Tools of Astronomy Author: Ever since ancient times, human beings have been fascinated by the night sky. Once people realized that the heavens would tell their secrets if asked the right questions, they started building tools to unravel the mysteries of the cosmos. Award-winning science writer John Johnson, Jr., leads this thrilling tour of the tools of astronomy-from tel... more »
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