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OpenStudy (anonymous):
1. Estimate the angle of rotation of the stars in the time-lapse photo. 2.Use your answer from the previous question to estimate the length of time that the camera's shutter was open. The shutter was open for hours. (Round your answer to the nearest hour and enter only the number.) Hint: If the shutter is open for 24 hours, the stars appear to make one complete rotation around Polaris.
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