Question

From the horizon to the observer's zenith is an angle of
A) 30 degrees for observers at a latitude of 30 degrees North.
B) 90 degrees for everyone on the Earth.
C) 23.5 degrees for observers at the Tropics of Cancer and Capricorn.
D) 66.5 degrees for everyone on the Earth.
E) 0.0 degrees for an observer at the Earth's north pole.

Answer

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