PracticeExam1

PracticeExam1 - Practice Exam I AST101 Fall 2011 1 Choose...

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Practice Exam I AST101 Fall 2011 1 Choose the best answer from those provided. All questions are worth 1 point. 1. Our solar system is located in the center of the Milky Way Galaxy. (a) True (b) False 2. 1 A.U. (1 Astronomical Unit) is: (a) any planet’s average distance from the Sun. (b) Earth’s average distance from the Sun. (c) any large astronomical distance. 3. In winter, Earth’s axis points toward the star Polaris. In spring: (a) the axis also points toward Polaris (b) the axis points toward Vega. (c) the axis points toward the Sun. 4. If you are located in the continental U.S. on the first day of July, how will the position of the Sun at noon be different two weeks later? (a) It will have moved toward the North. (b) It will have moved to a position higher in the sky. (c) It will stay in the same position. (d) It will have moved to a position closer to the horizon. (e) It will have moved toward the west. 5. A week after full moon, the Moon’s phase is: (a) first quarter. (b) third quarter. (c) new. 6. If our year were twice as long (that is, if Earth took twice as many days to complete each orbit around the Sun), but Earth’s rotation period and axis tilt were unchanged, then: (a) the four seasons would each be twice as long as they are now (b) Earth would not have seasons (c) stars would take twice as long to rise and set 7. Which of the following statements is true about the location of the Sun at sunrise during the middle of summer? (a) The Sun will rise north of West (b) The Sun will rise north of East. (c) The Sun will rise south of West. (d) The Sun will rise south of East. (e) None of the above.
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Practice Exam I AST101 Fall 2011 2 8. Which of the following groups of moon phases is above the horizon at 9:00 am? (a) Third Quarter, Waning Crescent, and Waxing Gibbous (b) New Moon, Third Quarter, and Waning Gibbous (c) Waxing Gibbous, Full Moon, Waning Gibbous (d) Waxing Crescent, First Quarter, Waxing Gibbous (e) None. The moon can only been seen above the horizon during the night time. Use the drawing below to answer the next question.
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PracticeExam1 - Practice Exam I AST101 Fall 2011 1 Choose...

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