Pathways to Astronomy 1st edition

Textbook Cover

Stephen Schneider and Thomas Arny
Publisher: McGraw-Hill Education


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  • Chapter 1: The Cosmic Landscape
    • 1: Problems (4)
    • 1: Test Yourself (3)

  • Chapter 2: Beyond the Solar System
    • 2: Problems (3)
    • 2: Test Yourself (3)

  • Chapter 3: Astronomical Numbers
    • 3: Problems (7)
    • 3: Test Yourself (3)

  • Chapter 4: Foundations of Astronomy
    • 4: Problems (4)
    • 4: Test Yourself (3)

  • Chapter 5: The Night Sky
    • 5: Problems (5)
    • 5: Test Yourself (3)

  • Chapter 6: The Year
    • 6: Problems (4)
    • 6: Test Yourself (3)

  • Chapter 7: The Time of Day
    • 7: Problems (3)
    • 7: Test Yourself (3)

  • Chapter 8: Lunar Cycles
    • 8: Problems (3)
    • 8: Test Yourself (3)

  • Chapter 9: Calendars
    • 9: Problems (5)
    • 9: Test Yourself (3)

  • Chapter 10: Geometry of the Earth, Moon, and Sun
    • 10: Problems (3)
    • 10: Test Yourself (3)

  • Chapter 11: Planets: The Wandering Stars
    • 11: Problems (3)
    • 11: Test Yourself (3)

  • Chapter 12: The Beginnings of Modern Astronomy
    • 12: Problems (3)
    • 12: Test Yourself (3)

  • Chapter 13: Observing the Sky
    • 13: Problems (3)

  • Chapter 14: Astronomical Motion: Inertia, Mass, and Force
    • 14: Problems (3)
    • 14: Test Yourself (3)

  • Chapter 15: Force, Acceleration, and Interaction
    • 15: Problems (3)
    • 15: Test Yourself (3)

  • Chapter 16: The Universal Law of Gravity
    • 16: Problems (3)
    • 16: Test Yourself (3)

  • Chapter 17: Measuring a Body's Mass Using Orbital Motion
    • 17: Problems (3)
    • 17: Test Yourself (3)

  • Chapter 18: Orbital and Escape Velocities
    • 18: Problems (4)
    • 18: Test Yourself (3)

  • Chapter 19: Tides
    • 19: Problems (4)
    • 19: Test Yourself (3)

  • Chapter 20: Conservation Laws
    • 20: Problems (4)
    • 20: Test Yourself (3)

  • Chapter 21: Light, Matter, and Energy
    • 21: Problems (5)
    • 21: Test Yourself (3)

  • Chapter 22: The Electromagnetic Spectrum
    • 22: Problems (3)
    • 22: Test Yourself (3)

  • Chapter 23: Thermal Radiation
    • 23: Problems (3)
    • 23: Test Yourself (3)

  • Chapter 24: Atomic Spectra: Identifying Atoms by Their Light
    • 24: Problems (3)
    • 24: Test Yourself (3)

  • Chapter 25: The Doppler Shift
    • 25: Problems (2)
    • 25: Test Yourself (3)

  • Chapter 26: Detecting Light
    • 26: Problems (2)
    • 26: Test Yourself (3)

  • Chapter 27: Collecting Light
    • 27: Problems (4)
    • 27: Test Yourself (3)

  • Chapter 28: Focusing Light
    • 28: Problems (3)
    • 28: Test Yourself (3)

  • Chapter 29: Telescope Resolution
    • 29: Problems (3)
    • 29: Test Yourself (3)

  • Chapter 30: The Earth's Atmosphere
    • 30: Problems (3)
    • 30: Test Yourself (3)

  • Chapter 31: Amateur Astronomy
    • 31: Problems (2)
    • 31: Test Yourself (3)

  • Chapter 32: The Structure of the Solar System
    • 32: Problems (3)
    • 32: Test Yourself (3)

  • Chapter 33: The Origin of the Solar System
    • 33: Problems (4)
    • 33: Test Yourself (3)

  • Chapter 34: Other Planetary Systems
    • 34: Problems (3)
    • 34: Test Yourself (3)

  • Chapter 35: The Earth as a Terrestrial Planet
    • 35: Problems (2)
    • 35: Test Yourself (4)

  • Chapter 36: Earth's Atmosphere and Hydrosphere
    • 36: Problems (3)
    • 36: Test Yourself (3)

  • Chapter 37: Our Moon
    • 37: Problems (3)
    • 37: Test Yourself (3)

  • Chapter 38: Mercury
    • 38: Problems (3)
    • 38: Test Yourself (3)

  • Chapter 39: Venus
    • 39: Problems (4)
    • 39: Test Yourself (3)

  • Chapter 40: Mars
    • 40: Problems (4)
    • 40: Test Yourself (3)

  • Chapter 41: Asteroids
    • 41: Problems (4)
    • 41: Test Yourself (3)

  • Chapter 42: Comparative Planetology
    • 42: Problems (3)
    • 42: Test Yourself (3)

  • Chapter 43: Jupiter and Saturn
    • 43: Problems (4)
    • 43: Test Yourself (4)

  • Chapter 44: Uranus and Neptune
    • 44: Problems (3)
    • 44: Test Yourself (3)

  • Chapter 45: Satellite Systems and Rings
    • 45: Problems (3)
    • 45: Test Yourself (3)

  • Chapter 46: Ice Worlds, Pluto, and Beyond
    • 46: Problems (4)
    • 46: Test Yourself (3)

  • Chapter 47: comets
    • 47: Problems (4)
    • 47: Test Yourself (3)

  • Chapter 48: Impacts on Earth
    • 48: Problems (3)
    • 48: Test Yourself (3)

  • Chapter 49: The Sun, Our Star
    • 49: Problems (4)
    • 49: Test Yourself (3)

  • Chapter 50: The Sun's Source of Power
    • 50: Problems (3)
    • 50: Test Yourself (3)

  • Chapter 51: Solar Activity
    • 51: Problems (3)
    • 51: Test Yourself (3)

  • Chapter 52: Surveying the Stars
    • 52: Problems (4)
    • 52: Test Yourself (3)

  • Chapter 53: Special Relativity
    • 53: Problems (4)
    • 53: Test Yourself (3)

  • Chapter 54: Light and Distance
    • 54: Problems (5)
    • 54: Test Yourself (3)

  • Chapter 55: The Temperatures and Compositions of Stars
    • 55: Problems (4)
    • 55: Test Yourself (3)

  • Chapter 56: The Masses of Orbiting Stars
    • 56: Problems (3)
    • 56: Test Yourself (3)

  • Chapter 57: The Sizes of Stars
    • 57: Problems (5)
    • 57: Test Yourself (3)

  • Chapter 58: The H-R Diagram
    • 58: Problems (3)
    • 58: Test Yourself (3)

  • Chapter 59: Stellar Evolution
    • 59: Problems (3)
    • 59: Test Yourself (3)

  • Chapter 60: Star Formation
    • 60: Problems (5)
    • 60: Test Yourself (3)

  • Chapter 61: Main-Sequence Stars
    • 61: Problems (3)
    • 61: Test Yourself (3)

  • Chapter 62: Giant Stars
    • 62: Problems (4)
    • 62: Test Yourself (3)

  • Chapter 63: Variable Stars
    • 63: Problems (4)
    • 63: Test Yourself (3)

  • Chapter 64: Mass Loss and Death of Low-Mass Stars
    • 64: Problems (2)
    • 64: Test Yourself (3)

  • Chapter 65: Exploding White Dwarfs
    • 65: Problems (4)
    • 65: Test Yourself (3)

  • Chapter 66: Old Age and Death of Massive Stars
    • 66: Problems (4)
    • 66: Test Yourself (3)

  • Chapter 67: Neutron Stars
    • 67: Problems (4)
    • 67: Test Yourself (3)

  • Chapter 68: Black Holes
    • 68: Problems (5)
    • 68: Test Yourself (3)

  • Chapter 69: Star Cluster
    • 69: Problems (3)
    • 69: Test Yourself (3)

  • Chapter 70: Discovering the Milky Way
    • 70: Problems (3)
    • 70: Test Yourself (3)

  • Chapter 71: Stars of the Milky Way
    • 71: Problems (3)
    • 71: Test Yourself (3)

  • Chapter 72: Gas and Dust in the Milky Way
    • 72: Problems (3)
    • 72: Test Yourself (3)

  • Chapter 73: Mass and Motions in the Milky Way
    • 73: Problems (5)
    • 73: Test Yourself (3)

  • Chapter 74: A Universe of Galaxies
    • 74: Problems (3)
    • 74: Test Yourself (3)

  • Chapter 75: Types of Galaxies
    • 75: Problems (5)
    • 75: Test Yourself (3)

  • Chapter 76: Galaxy Clustering
    • 76: Problems (3)
    • 76: Test Yourself (3)

  • Chapter 77: Active Galactic Nuclei
    • 77: Problems (4)
    • 77: Test Yourself (3)

  • Chapter 78: Dark Matter
    • 78: Problems (4)
    • 78: Test Yourself (3)

  • Chapter 79: Cosmology
    • 79: Problems (3)
    • 79: Test Yourself (3)

  • Chapter 80: The Edges of the Universe
    • 80: Problems (4)
    • 80: Test Yourself (3)

  • Chapter 81: The Beginnings of the Universe
    • 81: Problems (4)
    • 81: Test Yourself (3)

  • Chapter 82: The Fate of the Universe
    • 82: Problems (3)
    • 82: Test Yourself (3)

  • Chapter 83: Astrobiology
    • 83: Problems (2)
    • 83: Test Yourself (3)

  • Chapter 84: The Search for Life Elsewhere
    • 84: Problems (4)
    • 84: Test Yourself (3)

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Group Key
P - Problem
TY - Test Yourself


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: The Cosmic Landscape
1.P 4 01 02 03 04
1.TY 3 01 02 03
Chapter 2: Beyond the Solar System
2.P 3 01 02 03
2.TY 3 01 02 03
Chapter 3: Astronomical Numbers
3.P 7 01 02 03 04 05 06 07
3.TY 3 01 02 03
Chapter 4: Foundations of Astronomy
4.P 4 01 02 03 04
4.TY 3 01 02 03
Chapter 5: The Night Sky
5.P 5 01 02 03 04 05
5.TY 3 01 02 03
Chapter 6: The Year
6.P 4 01 02 03 04
6.TY 3 01 02 03
Chapter 7: The Time of Day
7.P 3 01 02 03
7.TY 3 01 02 03
Chapter 8: Lunar Cycles
8.P 3 01 02 03
8.TY 3 01 02 03
Chapter 9: Calendars
9.P 5 01 02 03 04 05
9.TY 3 01 02 03
Chapter 10: Geometry of the Earth, Moon, and Sun
10.P 3 01 02 03
10.TY 3 01 02 03
Chapter 11: Planets: The Wandering Stars
11.P 3 01 02 03
11.TY 3 01 02 03
Chapter 12: The Beginnings of Modern Astronomy
12.P 3 01 02 03
12.TY 3 01 02 03
Chapter 13: Observing the Sky
13.P 3 01 02 03
Chapter 14: Astronomical Motion: Inertia, Mass, and Force
14.P 3 01 02 03
14.TY 3 01 02 03
Chapter 15: Force, Acceleration, and Interaction
15.P 3 01 02 03
15.TY 3 01 02 03
Chapter 16: The Universal Law of Gravity
16.P 3 01 02 03
16.TY 3 01 02 03
Chapter 17: Measuring a Body's Mass Using Orbital Motion
17.P 3 01 02 03
17.TY 3 01 02 03
Chapter 18: Orbital and Escape Velocities
18.P 4 01 02 03 04
18.TY 3 01 02 03
Chapter 19: Tides
19.P 4 01 02 03 04
19.TY 3 01 02 03
Chapter 20: Conservation Laws
20.P 4 01 02 03 04
20.TY 3 01 02 03
Chapter 21: Light, Matter, and Energy
21.P 5 01 02 03 04 05
21.TY 3 01 02 03
Chapter 22: The Electromagnetic Spectrum
22.P 3 01 02 03
22.TY 3 01 02 03
Chapter 23: Thermal Radiation
23.P 3 01 02 03
23.TY 3 01 02 03
Chapter 24: Atomic Spectra: Identifying Atoms by Their Light
24.P 3 01 02 03
24.TY 3 01 02 03
Chapter 25: The Doppler Shift
25.P 2 01 02
25.TY 3 01 02 03
Chapter 26: Detecting Light
26.P 2 01 02
26.TY 3 01 02 03
Chapter 27: Collecting Light
27.P 4 01 02 03 04
27.TY 3 01 02 03
Chapter 28: Focusing Light
28.P 3 01 02 03
28.TY 3 01 02 03
Chapter 29: Telescope Resolution
29.P 3 01 02 03
29.TY 3 01 02 03
Chapter 30: The Earth's Atmosphere
30.P 3 01 02 03
30.TY 3 01 02 03
Chapter 31: Amateur Astronomy
31.P 2 01 02
31.TY 3 01 02 03
Chapter 32: The Structure of the Solar System
32.P 3 01 02 03
32.TY 3 01 02 03
Chapter 33: The Origin of the Solar System
33.P 4 01 02 03 04
33.TY 3 01 02 03
Chapter 34: Other Planetary Systems
34.P 3 01 02 03
34.TY 3 01 02 03
Chapter 35: The Earth as a Terrestrial Planet
35.P 2 01 02
35.TY 4 01 02 03 04
Chapter 36: Earth's Atmosphere and Hydrosphere
36.P 3 01 02 03
36.TY 3 01 02 03
Chapter 37: Our Moon
37.P 3 01 02 03
37.TY 3 01 02 03
Chapter 38: Mercury
38.P 3 01 02 03
38.TY 3 01 02 03
Chapter 39: Venus
39.P 4 01 02 03 04
39.TY 3 01 02 03
Chapter 40: Mars
40.P 4 01 02 03 04
40.TY 3 01 02 03
Chapter 41: Asteroids
41.P 4 01 02 03 04
41.TY 3 01 02 03
Chapter 42: Comparative Planetology
42.P 3 01 02 03
42.TY 3 01 02 03
Chapter 43: Jupiter and Saturn
43.P 4 01 02 03 04
43.TY 4 01 02 03 04
Chapter 44: Uranus and Neptune
44.P 3 01 02 03
44.TY 3 01 02 03
Chapter 45: Satellite Systems and Rings
45.P 3 01 02 03
45.TY 3 01 02 03
Chapter 46: Ice Worlds, Pluto, and Beyond
46.P 4 01 02 03 04
46.TY 3 01 02 03
Chapter 47: comets
47.P 4 01 02 03 04
47.TY 3 01 02 03
Chapter 48: Impacts on Earth
48.P 3 01 02 03
48.TY 3 01 02 03
Chapter 49: The Sun, Our Star
49.P 4 01 02 03 04
49.TY 3 01 02 03
Chapter 50: The Sun's Source of Power
50.P 3 01 02 03
50.TY 3 01 02 03
Chapter 51: Solar Activity
51.P 3 01 02 03
51.TY 3 01 02 03
Chapter 52: Surveying the Stars
52.P 4 01 02 03 04
52.TY 3 01 02 03
Chapter 53: Special Relativity
53.P 4 01 02 03 04
53.TY 3 01 02 03
Chapter 54: Light and Distance
54.P 5 01 02 03 04 05
54.TY 3 01 02 03
Chapter 55: The Temperatures and Compositions of Stars
55.P 4 01 02 03 04
55.TY 3 01 02 03
Chapter 56: The Masses of Orbiting Stars
56.P 3 01 02 03
56.TY 3 01 02 03
Chapter 57: The Sizes of Stars
57.P 5 01 02 03 04 05
57.TY 3 01 02 03
Chapter 58: The H-R Diagram
58.P 3 01 02 03
58.TY 3 01 02 03
Chapter 59: Stellar Evolution
59.P 3 01 02 03
59.TY 3 01 02 03
Chapter 60: Star Formation
60.P 5 01 02 03 04 05
60.TY 3 01 02 03
Chapter 61: Main-Sequence Stars
61.P 3 01 02 03
61.TY 3 01 02 03
Chapter 62: Giant Stars
62.P 4 01 02 03 04
62.TY 3 01 02 03
Chapter 63: Variable Stars
63.P 4 01 02 03 04
63.TY 3 01 02 03
Chapter 64: Mass Loss and Death of Low-Mass Stars
64.P 2 01 02
64.TY 3 01 02 03
Chapter 65: Exploding White Dwarfs
65.P 4 01 02 03 04
65.TY 3 01 02 03
Chapter 66: Old Age and Death of Massive Stars
66.P 4 01 02 03 04
66.TY 3 01 02 03
Chapter 67: Neutron Stars
67.P 4 01 02 03 04
67.TY 3 01 02 03
Chapter 68: Black Holes
68.P 5 01 02 03 04 05
68.TY 3 01 02 03
Chapter 69: Star Cluster
69.P 3 01 02 03
69.TY 3 01 02 03
Chapter 70: Discovering the Milky Way
70.P 3 01 02 03
70.TY 3 01 02 03
Chapter 71: Stars of the Milky Way
71.P 3 01 02 03
71.TY 3 01 02 03
Chapter 72: Gas and Dust in the Milky Way
72.P 3 01 02 03
72.TY 3 01 02 03
Chapter 73: Mass and Motions in the Milky Way
73.P 5 01 02 03 04 05
73.TY 3 01 02 03
Chapter 74: A Universe of Galaxies
74.P 3 01 02 03
74.TY 3 01 02 03
Chapter 75: Types of Galaxies
75.P 5 01 02 03 04 05
75.TY 3 01 02 03
Chapter 76: Galaxy Clustering
76.P 3 01 02 03
76.TY 3 01 02 03
Chapter 77: Active Galactic Nuclei
77.P 4 01 02 03 04
77.TY 3 01 02 03
Chapter 78: Dark Matter
78.P 4 01 02 03 04
78.TY 3 01 02 03
Chapter 79: Cosmology
79.P 3 01 02 03
79.TY 3 01 02 03
Chapter 80: The Edges of the Universe
80.P 4 01 02 03 04
80.TY 3 01 02 03
Chapter 81: The Beginnings of the Universe
81.P 4 01 02 03 04
81.TY 3 01 02 03
Chapter 82: The Fate of the Universe
82.P 3 01 02 03
82.TY 3 01 02 03
Chapter 83: Astrobiology
83.P 2 01 02
83.TY 3 01 02 03
Chapter 84: The Search for Life Elsewhere
84.P 4 01 02 03 04
84.TY 3 01 02 03
Total 547