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The end of the Ice Age: A time of melting glaciers
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Celestial Basic: Astronomy on Your Computer Reading & Writing family mealsBring the planetarium into your home Explore the universe through your computerno more hunting for your almanac, digging up that elusive astronomical magazine, or sitting down for hours of laborious calculations on your pocket calculator. This book offers programs that are useful to the serious amateur astronomer as well as the occasional stargazer. The programs convert time from one system of measurement to another, calculate and display the