00: Adventures in Ray Tracing: 13: Virtual Telescope II: Cassegrain
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A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia.
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A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia.
00: Adventures in Ray Tracing: 07: Changes to the Interior of Objects
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Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville, Illinois (© Matthew Gush/Alamy)
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Cranberry bog (© SHSPhotography/Getty Images)
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