What is the upper limit of stars the unaided eye can discern on a moonless night in a rural area?
A) about 3000
B) about 30,000
C) about 300,000
D) about 3,000,000
Correct Answer:
Verified
Q1: Polaris is always directly overhead at
A)the north
Q3: Seasons here are Earth are a result
Q4: Summer and winter constellations are different because
A)of
Q5: The changing shapes of constellations in the
Q6: The yearly motion of celestial objects in
Q7: The North Star has very little apparent
Q8: We do not see stars in the
Q9: Which best describes the intrinsic motion of
Q10: In which city is Polaris highest in
Q11: The daily motion of celestial objects in
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