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The Celestial Sphere, Angles, and Positions
The Northern Sky What would happen if we walked north (really far)? Find a reference star: •The pointer stars from the Big Dipper point to Polaris (the North Star) Measure the Circumference of Earth Air Distance: Lar Shively Arpt, Laramie, WY to Natrona Cty Intl Arpt, Casper, WY
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