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• Be A Stargazer

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• Statistical Orbit Determination

  This book presents fundmentals of orbit determination–from weighted least squares approaches (Gauss) to today’s high-speed computer algorithms that provide accuracy within a few centimeters. Numerous examples and problems are provided to enhance readers’ understanding of the material. *Covers such topics as coordinate and time systems, square root filters, process noise techniques, and the use of [...]

• Skywatchers 2011: A Sky-Guide Calendar by Stan Shadick

  Winner of the Calendar Marketing Associations Silver Award for Most Original Calendar NOW IN ITS 15TH YEAR! Black holes, stars, planets, meteor showers, comets and galaxies are just part of what the night skies have to offer. Stan Shadick explains all things celestial in this award-winning calendar that features star maps horizon scenes for orienting [...]

• Need to Know: UFOs, the Military, and Intelligence

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