The background stars during a solar eclipse are those of constellations
A) of the opposite season.
B) seen in the nighttime sky.
C) not seen normally.
D) seen in the opposite hemisphere.
[Ques. 2] In which city is Polaris highest in the sky?
A) Singapore
B) Mexico City
C) Denver
D) Anchorage
E) All the same, depending on the time of night
[Ques. 3] We say we are looking back in time when we are looking at the stars because
A) we see stars as they once were when their light reaches us.
B) space curves, we are actually looking at the past when we look in the night sky.
C) stars are emitting immense radiation, we are seeing processes that have already happened.
D) Earth's atmosphere bends and distorts their light.
[Ques. 4] 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
[Ques. 5] The North Star has very little apparent rotation in the night sky because
A) it lies directly above the Earth's axis of spin.
B) it rotates in the same relative orbit as Earth.
C) its rate of spin directly matches Earth's.
D) the Oort cloud distorts the view of the naked eye.
[Ques. 6] The surface of Comet 67P/CG as detected by the Rosetta mission is best described as
A) smooth with parallel striations.
B) smooth with many hilly areas.
C) rough with cracks and crevices.
D) rough with many craters.
[Ques. 7] The Dawn spacecraft entered into orbit around Ceres in
A) 2008.
B) 2012.
C) 2015.
D) 2016.
[Ques. 8] The New Horizons space probe passed through the Pluto system in
A) 2008.
B) 2012.
C) 2015.
D) 2016.
[Ques. 9] Pluto is found within the
A) Oort cloud.
B) Kuiper belt.
C) asteroid belt.
D) orbit of Neptune.
[Ques. 10] The Trojans, Greeks, and Hildas are in orbit around
A) the Sun.
B) Jupiter.
C) Saturn.
D) Uranus.
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