1. Why do you think so many people still believe in astrology and spend money on it? What psychological needs does such a belief system satisfy?
Explain the origin of the magnitude designation for determining the brightness of stars. Why does it seem to go backward, with smaller numbers indicating brighter stars?
Use the small angle formula to calculate the angular size of the Sun, in degrees, rounded to three significant figures. The diameter of the Sun is 1.39 x 106 km and the distance to the Sun is, on average, 1.50 x 108 km.
What are circumpolar stars? Are more stars circumpolar at the North Pole or in the United States? Explain.
Decide whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain your reasoning.
Although all the known stars rise in the east and set in the west, we might someday discover a star that will rise in the west and set in the east.