What is the upper limit of stars the unaided eye can discern on a moonless night in a rural area?
A) About 3,000
B) About 30,000
C) About 300,000
D) About 3,000,000
Correct Answer:
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Q1: Polaris is always directly overhead at
A)the north
Q2: What are the relative compositions of the
Q4: Summer and winter constellations are different because
A)of
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