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Conceptual Questions



1

Why is it more difficult to notice the westward motions of stars that are high in the sky than those that are near the horizon?
2

Describe a coordinate system that could be used to locate uniquely the seats in the classrooms of a multistory building with one classroom on each floor. How many coordinates are needed in this case?
3

What is the latitude of the North Pole of the Earth? Why is it impossible to give the longitude of the Earth's North Pole?
4

What range of azimuth would include all the locations on the horizon at which stars can rise? Would this question make sense to an observer at the North Pole or South Pole?





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