Chapter S1 Review Clickers. The Cosmic Perspective Seventh Edition. Celestial Timekeeping and Navigation Pearson Education, Inc.
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1 Review Clickers The Cosmic Perspective Seventh Edition Celestial Timekeeping and Navigation
2 How long does Earth take to make one full rotation, relative to the distant stars? a) 14 hours b) 24 hours c) about 23 hours and 56 minutes d) one year
3 How long does Earth take to make one full rotation, relative to the distant stars? a) 14 hours b) 24 hours c) about 23 hours and 56 minutes d) one year
4 Why do we call a day 24 hours, if Earth rotates once in 23 hours, 56 min? a) For simplicity it is about 24 hours. b) We measure a day by the position of the Sun, so Earth's revolution around the Sun affects the length of day. c) In order to have an even number of days in each month. d) Earth's epicycle is about 4 minutes.
5 Why do we call a day 24 hours, if Earth rotates once in 23 hours, 56 min? a) For simplicity it is about 24 hours. b) We measure a day by the position of the Sun, so Earth's revolution around the Sun affects the length of day. c) In order to have an even number of days in each month. d) Earth's epicycle is about 4 minutes.
6 How much do sidereal and solar clocks differ after one day? a) 4 minutes b) about an hour c) about two hours d) 24 hours
7 How much do sidereal and solar clocks differ after one day? a) 4 minutes b) about an hour c) about two hours d) 24 hours
8 How much do sidereal and solar clocks differ after one month? a) 4 minutes b) about an hour c) about two hours d) 24 hours
9 How much do sidereal and solar clocks differ after one month? a) 4 minutes b) about an hour c) about two hours d) 24 hours
10 The constellation Orion rises in the early evening December 1. When will it rise on January 1? a) about the same time b) depends on where you are in the US c) about four minutes earlier d) two hours earlier
11 The constellation Orion rises in the early evening December 1. When will it rise on January 1? a) about the same time b) depends on where you are in the US c) about four minutes earlier d) two hours earlier
12 The constellation Orion rises in the early evening December 1. When will it rise in August? a) about the same time b) depends on where you are in the US c) in the early morning, before dawn d) it won't rise in August
13 The constellation Orion rises in the early evening December 1. When will it rise in August? a) about the same time b) depends on where you are in the US c) in the early morning, before dawn d) it won't rise in August
14 The time of apparent noon varies with longitude. For convenience, we pretend that it doesn't for nearby places by using a) the equation of time. b) the analemma. c) time zones. d) precession.
15 The time of apparent noon varies with longitude. For convenience, we pretend that it doesn't for nearby places by using a) the equation of time. b) the analemma. c) time zones. d) precession.
16 The English poet Kipling, while in the tropics, wrote, "The sun comes up like thunder over China cross the bay." What astronomical truth inspired this? a) None; it's just poetry b) Sunrise is louder in the tropics. c) Sunrise is faster in the tropics. d) Sunrise is earlier in the tropics.
17 The English poet Kipling, while in the tropics, wrote, "The sun comes up like thunder over China cross the bay." What astronomical truth inspired this? a) None; it's just poetry b) Sunrise is louder in the tropics. c) Sunrise is faster in the tropics. d) Sunrise is earlier in the tropics.
18 Suppose that you live at latitude 40 degrees north in the US. How high does the Sun get at noon on June 21? a) 40 degrees above the southern horizon b) 50 degrees above the southern horizon c) 73 degrees above the southern horizon d) straight overhead
19 Suppose that you live at latitude 40 degrees north in the US. How high does the Sun get at noon on June 21? a) 40 degrees above the southern horizon b) 50 degrees above the southern horizon c) 73 degrees above the southern horizon d) straight overhead
20 During the month of March, the Sun's declination a) is increasing. b) is decreasing. c) remains constant. d) goes up and down over the course of each day. e) cannot be determined.
21 During the month of March, the Sun's declination a) is increasing. b) is decreasing. c) remains constant. d) goes up and down over the course of each day. e) cannot be determined.
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