Copyright 2019 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior

1 Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.An Introduction to Astronomy, 9e (Arny) Chapter 1 The Cycles of the Sky

1) Directly above Earth's equator lies the ________ in the sky.

• North Celestial Pole
• South Celestial Pole
• Celestial equator
• 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

• Earth is rotating from east to west.
• Earth is rotating from west to east.
• Earth is orbiting around the Sun from east to west.
• 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?

• the line of the solar and lunar eclipses on the celestial sphere
• the extension of Earth's path on the celestial sphere
• the elliptical shape of Earth's orbit around the Sun
• 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

(Explorations Introduction to Astronomy, 9e Thomas Arny, Stephen Schneider) (Test Bank all Chapters) 1 / 4

2 Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.4) Which of the following statements describes the ecliptic?

• the path of the Moon on the celestial sphere
• the extension of Earth's equator on the celestial sphere
• the extension of Earth's path on the celestial sphere
• the apparent path of the Sun across the celestial sphere
• 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?

• The Sun would rise in the west and set in the east.
• The stars would rise in the west and set in the east.
• The planets would rise in the west and set in the east.
• All of these would be observed.
• 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

• the situation is the same—stars also rise in the east and set in the west.
• 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

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3 Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.7) The motion of the Sun relative to the stars is from ________ to ________.

• east; west
• 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?

• The Sun moves along the Celestial Equator.
• The Moon moves along the Celestial Equator.
• The stars move along the zodiac.
• 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?

• less than twelve hours
• about twelve hours
• more than twelve hours
• 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

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4 Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.10) The zodiac is tilted by 23.5 degrees relative to the Celestial Equator.

Answer: TRUE

Difficulty: 2 Medium

Section: 01.01

Topic: Locating Objects in the Sky

Bloom's: 1. Remember

Gradable: automatic

Subtopic: Celestial Sphere Model

11) There are constellations that are not visible for observers living in North America.

Answer: TRUE

Difficulty: 2 Medium

Section: 01.01

Topic: Locating Objects in the Sky

Bloom's: 1. Remember

Gradable: automatic

Subtopic: Celestial Sphere Model

12) Although all known stars appear to rise from the eastern horizon, astronomers might someday discover a star that will rise from the western horizon.

Answer: FALSE

Difficulty: 1 Easy

Section: 01.01

Topic: Locating Objects in the Sky

Bloom's: 2. Understand

Gradable: automatic

Subtopic: Celestial Sphere Model

13) What is the celestial sphere?

• an observatory dome
• the Sun
• Earth
• the imaginary sphere of the sky, on which stars lie

Answer: D

Difficulty: 1 Easy

Section: 01.01

Topic: Locating Objects in the Sky

Bloom's: 1. Remember

Gradable: automatic

Subtopic: Celestial Sphere Model

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