,Explorations: Introduction to Astronomy 9th Edition Thomas Arny
Chapter 1 The Cycles of the Sky
1) Directly above Earth's equator lies the in the sky.
A) North Celestial Pole
B) South Celestial Pole
C) Celestial equator
D) ecliptic
Answer: C
Difficulty: 1 Easy
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Celestial Sphere Model
2) All celestial objects rise in the east and set in the west because
A) Earth is rotating from east to west.
B) Earth is rotating from west to east.
C) Earth is orbiting around the Sun from east to west.
D) the celestial sphere is rotating from east to west.
Answer: B
Difficulty: 1 Easy
Section: 01.01
Topic: Locating Objects in the Sky; Astronomical Cycles
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Celestial Sphere Model; Diurnal and Annual Motion
3) What is the ecliptic?
A) the line of the solar and lunar eclipses on the celestial sphere
B) the extension of Earth's path on the celestial sphere
C) the elliptical shape of Earth's orbit around the Sun
D) All of these choices are correct.
Answer: B
Difficulty: 2 Medium
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: The Ecliptic
,4) Which of the following statements describes the ecliptic?
A) the path of the Moon on the celestial sphere
B) the extension of Earth's equator on the celestial sphere
C) the extension of Earth's path on the celestial sphere
D) the apparent path of the Sun across the celestial sphere
E) The extension of Earth's equator on the celestial sphere and the apparent path of the Sun
across the celestial sphere are correct.
Answer: E
Difficulty: 2 Medium
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: The Ecliptic
5) Suppose that Earth's spin would suddenly reverse direction, but the direction of Earth's motion
around the Sun was preserved. Which of the following changes would you expect to observe?
A) The Sun would rise in the west and set in the east.
B) The stars would rise in the west and set in the east.
C) The planets would rise in the west and set in the east.
D) All of these would be observed.
E) None of these choices is correct.
Answer: D
Difficulty: 2 Medium
Section: 01.01
Topic: Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Diurnal and Annual Motion
6) For someone in the Northern Hemisphere stars rise in the east and set in the west. For
someone in the Southern Hemisphere
A) the situation is the same—stars also rise in the east and set in the west.
B) the opposite is true—stars rise in the west and set in the east.
Answer: A
Difficulty: 1 Easy
Section: 01.01
Topic: Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Diurnal and Annual Motion
, 7) The motion of the Sun relative to the stars is from to .
A) east; west
B) west; east
Answer: B
Difficulty: 1 Easy
Section: 01.01
Topic: Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Diurnal and Annual Motion
8) Which of the following statements regarding the motion of objects on the celestial sphere is
true?
A) The Sun moves along the Celestial Equator.
B) The Moon moves along the Celestial Equator.
C) The stars move along the zodiac.
D) The stars move parallel to the Celestial Equator.
Answer: D
Difficulty: 2 Medium
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Celestial Sphere Model
9) How much time is there between when a star rises and when it sets?
A) less than twelve hours
B) about twelve hours
C) more than twelve hours
D) It depends on the star.
Answer: D
Difficulty: 1 Easy
Section: 01.01
Topic: Locating Objects in the Sky; Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Celestial Sphere Model; Diurnal and Annual Motion
Chapter 1 The Cycles of the Sky
1) Directly above Earth's equator lies the in the sky.
A) North Celestial Pole
B) South Celestial Pole
C) Celestial equator
D) ecliptic
Answer: C
Difficulty: 1 Easy
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Celestial Sphere Model
2) All celestial objects rise in the east and set in the west because
A) Earth is rotating from east to west.
B) Earth is rotating from west to east.
C) Earth is orbiting around the Sun from east to west.
D) the celestial sphere is rotating from east to west.
Answer: B
Difficulty: 1 Easy
Section: 01.01
Topic: Locating Objects in the Sky; Astronomical Cycles
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Celestial Sphere Model; Diurnal and Annual Motion
3) What is the ecliptic?
A) the line of the solar and lunar eclipses on the celestial sphere
B) the extension of Earth's path on the celestial sphere
C) the elliptical shape of Earth's orbit around the Sun
D) All of these choices are correct.
Answer: B
Difficulty: 2 Medium
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: The Ecliptic
,4) Which of the following statements describes the ecliptic?
A) the path of the Moon on the celestial sphere
B) the extension of Earth's equator on the celestial sphere
C) the extension of Earth's path on the celestial sphere
D) the apparent path of the Sun across the celestial sphere
E) The extension of Earth's equator on the celestial sphere and the apparent path of the Sun
across the celestial sphere are correct.
Answer: E
Difficulty: 2 Medium
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: The Ecliptic
5) Suppose that Earth's spin would suddenly reverse direction, but the direction of Earth's motion
around the Sun was preserved. Which of the following changes would you expect to observe?
A) The Sun would rise in the west and set in the east.
B) The stars would rise in the west and set in the east.
C) The planets would rise in the west and set in the east.
D) All of these would be observed.
E) None of these choices is correct.
Answer: D
Difficulty: 2 Medium
Section: 01.01
Topic: Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Diurnal and Annual Motion
6) For someone in the Northern Hemisphere stars rise in the east and set in the west. For
someone in the Southern Hemisphere
A) the situation is the same—stars also rise in the east and set in the west.
B) the opposite is true—stars rise in the west and set in the east.
Answer: A
Difficulty: 1 Easy
Section: 01.01
Topic: Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Diurnal and Annual Motion
, 7) The motion of the Sun relative to the stars is from to .
A) east; west
B) west; east
Answer: B
Difficulty: 1 Easy
Section: 01.01
Topic: Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Diurnal and Annual Motion
8) Which of the following statements regarding the motion of objects on the celestial sphere is
true?
A) The Sun moves along the Celestial Equator.
B) The Moon moves along the Celestial Equator.
C) The stars move along the zodiac.
D) The stars move parallel to the Celestial Equator.
Answer: D
Difficulty: 2 Medium
Section: 01.01
Topic: Locating Objects in the Sky
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Celestial Sphere Model
9) How much time is there between when a star rises and when it sets?
A) less than twelve hours
B) about twelve hours
C) more than twelve hours
D) It depends on the star.
Answer: D
Difficulty: 1 Easy
Section: 01.01
Topic: Locating Objects in the Sky; Astronomical Cycles
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Celestial Sphere Model; Diurnal and Annual Motion
