Foundations of Astronomy 12th edition

Textbook Cover

Michael A. Seeds and Dana Backman
Publisher: Cengage Learning

enhanced content

Enhanced Webassign

Includes pedagogical tools such as assignable simulations, textbook examples, links to the eBook, and algorithmic solutions. Specific features vary from book to book.

eBook

eBook

Your students can pay an additional fee for access to an online version of the textbook that might contain additional interactive features.

lifetime of edition

Lifetime of Edition (LOE)

Your students are allowed unlimited access to WebAssign courses that use this edition of the textbook at no additional cost.

textbook resources

Textbook Resources

Additional instructional and learning resources are available with the textbook, and might include testbanks, slide presentations, online simulations, videos, and documents.


Access is contingent on use of this textbook in the instructor's classroom.

Academic Term Homework Homework and eBook eBook Upgrade
Higher Education Single Term N/A $94.00 N/A
High School $21.50 $35.00 $13.50

Online price per student per course or lab, bookstore price varies. Access cards can be packaged with most any textbook, please see your textbook rep or contact WebAssign

  • Chapter 1: Here and Now
    • 1.1: Where Are You?
    • 1.2: When Is Now?
    • 1.3: Why Study Astronomy?
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (8)
    • Review Exercise (14)
    • Problem (10)
    • General Problem (4)
    • Active Figure

  • Chapter 2: A User's Guide to the Sky
    • 2.1: The Stars
    • 2.2: The Sky And Celestial Motion
    • 2.3: The Cycles of the Sun
    • 2.4: Astronomical Influences on Earth's Climate
    • Learning to Look (1)
    • Ranking Task Exercise (2)
    • Review Question (12)
    • Review Exercise (24)
    • Problem (9)
    • General Problem (6)
    • Active Figure (6)

  • Chapter 3: Cycles of the Moon
    • 3.1: The Changeable Moon
    • 3.2: Lunar Eclipses
    • 3.3: Solar Eclipses
    • 3.4: Predicting Eclipses
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (10)
    • Review Exercise (21)
    • Problem (11)
    • General Problem (4)
    • Active Figure (3)

  • Chapter 4: The Origin of Modern Astronomy
    • 4.1: The Roots of Astronomy
    • 4.2: The Copernican Revolution
    • 4.3: Planetary Motion
    • 4.4: Galileo Galilei
    • 4.5: Modern Astronomy
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (11)
    • Review Exercise (23)
    • Problem (7)
    • General Problem (5)
    • Active Figure (3)

  • Chapter 5: Gravity
    • 5.1: Galileo and Newton
    • 5.2: Orbital Motion and Tides
    • 5.3: Einstein and Relativity
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (14)
    • Review Exercise (21)
    • Problem (11)
    • General Problem (5)
    • Active Figure (4)

  • Chapter 6: Light and Telescopes
    • 6.1: Radiation: Information From Space
    • 6.2: Telescopes
    • 6.3: Observatories on Earth: Optical and Radio
    • 6.4: Airborne and Space Observatories
    • 6.5: Astronomical Instruments and Techniques
    • 6.6: Nonelectromagnetic Astronomy
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (13)
    • Review Exercise (24)
    • Problem (10)
    • General Problem (5)
    • Active Figure (2)

  • Chapter 7: Atoms and Spectra
    • 7.1: Atoms
    • 7.2: Interactions of Light and Matter
    • 7.3: Understanding Spectra
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (12)
    • Review Exercise (24)
    • Problem (8)
    • General Problem (4)
    • Active Figure (3)

  • Chapter 8: The Sun
    • 8.1: The Solar Atmosphere
    • 8.2: Solar Activity
    • 8.3: Nuclear Fusion in the Sun
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (16)
    • Review Exercise (24)
    • Problem (10)
    • General Problem (3)
    • Active Figure (2)

  • Chapter 9: The Family of Stars
    • 9.1: Star Distances
    • 9.2: Apparent Brightness, Intrinsic Brightness, and Luminosity
    • 9.3: Stellar Spectra
    • 9.4: Star Sizes
    • 9.5: Star MassesBinary Stars
    • 9.6: A Census of the Stars
    • Learning to Look
    • Ranking Task Exercise (3)
    • Review Question (18)
    • Review Exercise (23)
    • Problem (12)
    • General Problem (5)
    • Active Figure (2)

  • Chapter 10: The Interstellar Medium
    • 10.1: Studying the Interstellar Medium
    • 10.2: Components of the Interstellar Medium
    • 10.3: The Gas-Stars-Gas Cycle
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (11)
    • Review Exercise (19)
    • Problem (9)
    • General Problem (3)
    • Active Figure (2)

  • Chapter 11: The Formation and Structure of Stars
    • 11.1: Making Stars From the Interstellar Medium
    • 11.2: The Orion Nebula: Evidence of Star Formation
    • 11.3: Young Stellar Objects and Protostellar Disks
    • 11.4: Stellar Structure
    • 11.5: The Source of Stellar Energy
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (10)
    • Review Exercise (22)
    • Problem (11)
    • General Problem (4)
    • Active Figure (5)

  • Chapter 12: Stellar Evolution
    • 12.1: Main-Sequence Stars
    • 12.2: Post-Main-Sequence Evolution
    • 12.3: Star Clusters: Evidence of Evolution
    • 12.4: Variable Stars: Evidence of Evolution
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (14)
    • Review Exercise (22)
    • Problem (10)
    • General Problem (4)
    • Active Figure (3)

  • Chapter 13: The Deaths of Stars
    • 13.1: Lower-Main-Sequence Stars
    • 13.2: The Evolution of Binary Stars
    • 13.3: The Deaths of Massive Stars
    • Learning to Look
    • Ranking Task Exercise (3)
    • Review Question (14)
    • Review Exercise (23)
    • Problem (9)
    • General Problem (3)
    • Active Figure (3)

  • Chapter 14: Neutron Stars and Black Holes
    • 14.1: Neutron Stars
    • 14.2: Black Holes
    • 14.3: Compact Objects With Disks and Jets
    • Learning to Look
    • Ranking Task Exercise (1)
    • Review Question (16)
    • Review Exercise (24)
    • Problem (9)
    • General Problem (3)
    • Active Figure (3)

  • Chapter 15: The Milky Way Galaxy
    • 15.1: Discovery of the Galaxy
    • 15.2: Structure of the Galaxy
    • 15.3: Spiral Arms and Star Formation
    • 15.4: The Nucleus of the Galaxy
    • 15.5: Origin and History of the Milky Way Galaxy
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (11)
    • Review Exercise (24)
    • Problem (11)
    • General Problem (4)
    • Active Figure (2)

  • Chapter 16: Galaxies
    • 16.1: The Family of Galaxies
    • 16.2: Measuring the Properties of Galaxies
    • 16.3: The Evolution of Galaxies
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (12)
    • Review Exercise (24)
    • Problem (10)
    • General Problem (3)
    • Active Figure (3)

  • Chapter 17: Active Galaxies and Supermassive Black Holes
    • 17.1: Active Galactic Nuclei
    • 17.2: Supermassive Black Holes
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (9)
    • Review Exercise (23)
    • Problem (10)
    • General Problem (2)
    • Active Figure (2)

  • Chapter 18: Modern Cosmology
    • 18.1: Introduction to the Universe
    • 18.2: The Big Bang Theory
    • 18.3: Space and Time; Matter and Energy
    • 18.4: Twenty-First-Century Cosmology
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (12)
    • Review Exercise (25)
    • Problem (7)
    • General Problem (3)
    • Active Figure (4)

  • Chapter 19: The Origin of the Solar System
    • 19.1: The Great Chain of Origins
    • 19.2: A Survey of the Solar System
    • 19.3: The Story of Planet Building
    • 19.4: Planets Orbiting Other Stars
    • Learning to Look
    • Ranking Task Exercise (3)
    • Review Question (18)
    • Review Exercise (25)
    • Problem (9)
    • General Problem (4)
    • Active Figure (4)

  • Chapter 20: Earth: The Standard of Comparative Planetology
    • 20.1: A Travel Guide to the Terrestrial Planets
    • 20.2: Earth as a Planet
    • 20.3: The Solid Earth
    • 20.4: Earth's Atmosphere
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (13)
    • Review Exercise (21)
    • Problem (6)
    • General Problem (4)
    • Active Figure (3)

  • Chapter 21: The Moon and Mercury: Comparing Airless Worlds
    • 21.1: The Moon
    • 21.2: Mercury
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (11)
    • Review Exercise (21)
    • Problem (10)
    • General Problem (2)
    • Active Figure (2)

  • Chapter 22: Venus and Mars
    • 22.1: Venus
    • 22.2: Mars
    • 22.3: The Moons of Mars
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (10)
    • Review Exercise (22)
    • Problem (8)
    • General Problem (2)
    • Active Figure

  • Chapter 23: Jupiter and Saturn
    • 23.1: A Travel Guide to the Outer Solar System
    • 23.2: Jupiter
    • 23.3: Jupiter's Moons and Rings
    • 23.4: Saturn
    • 23.5: Saturn's Moons and Rings
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (12)
    • Review Exercise (23)
    • Problem (8)
    • General Problem (5)
    • Active Figure (4)

  • Chapter 24: Uranus, Neptune, and the Kuiper Belt
    • 24.1: Uranus
    • 24.2: Neptune
    • 24.3: The Kuiper Belt
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (12)
    • Review Exercise (19)
    • Problem (10)
    • General Problem (3)
    • Active Figure (3)

  • Chapter 25: Meteorites, Asteroids, and Comets
    • 25.1: Meteoroids, Meteors, and Meteorites
    • 25.2: Asteroids
    • 25.3: Comets
    • 25.4: Asteroid and Comet Impacts
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (4)
    • Review Exercise (24)
    • Problem (9)
    • General Problem (4)
    • Active Figure (4)

  • Chapter 26: Astrobiology: Life on Other Worlds
    • 26.1: The Nature of Life
    • 26.2: Life in the Universe
    • 26.3: Intelligent Life in the Universe
    • Learning to Look
    • Ranking Task Exercise (2)
    • Review Question (13)
    • Review Exercise (25)
    • Problem (8)
    • General Problem (3)
    • Active Figure (4)

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
AF - Active Figure
GP - General Problem
LL - Learning to Look
P - Problem
RE - Review Exercise
RQ - Review Question
RTE - Ranking Task Exercise


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


Group Quantity Questions
Chapter 1: Here and Now
1.GP 4 001 002 003 004
1.P 10 001 002 003 004 005 006 007 008 009 010
1.RE 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
1.RQ 8 001 002 003 004 005 006 007 008
1.RTE 2 001 002
Chapter 2: A User's Guide to the Sky
2.AF 6 001 002 003 004 005 006
2.GP 6 001a 001b 002 003 004 005
2.LL 1 002
2.P 9 001 002 003 004 005 006 007 008 009
2.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
2.RQ 12 001 002 003 004 005 006 007 008 009 010 011 012
2.RTE 2 001 002
Chapter 3: Cycles of the Moon
3.AF 3 001 002 003
3.GP 4 001 002 003 004
3.P 11 001 002 003 004 005 006 007 008 009 010 011
3.RE 21 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021
3.RQ 10 001 002 003 004 005 006 007 008 009 010
3.RTE 2 001 002
Chapter 4: The Origin of Modern Astronomy
4.AF 3 001 002 003
4.GP 5 001 002a 002b 003 004
4.P 7 001 002 003 004 005 006 007
4.RE 23 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023
4.RQ 11 001 002 003 004 005 006 007 008 009 010 011
4.RTE 2 001 002
Chapter 5: Gravity
5.AF 4 001 002 003 004
5.GP 5 001a 001b 002a 002b 003
5.P 11 001 002 003 004 005 006 007 008 009 010 011
5.RE 21 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021
5.RQ 14 001 003 004 005 006 007 008 009 010 011 012 013 014 015
5.RTE 2 001 002
Chapter 6: Light and Telescopes
6.AF 2 001 002
6.GP 5 001 002 003 004 005
6.P 10 001 002 003 004 005 006 007 008 009 010
6.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
6.RQ 13 001 002 003 004 005 006 007 008 009 010 011 012 013
6.RTE 2 001 002
Chapter 7: Atoms and Spectra
7.AF 3 001 002 003
7.GP 4 001 002 003 004
7.P 8 001 002 003 004 005 006 007 008
7.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
7.RQ 12 001 002 003 004 005 006 007 008 009 010 011 012 013
7.RTE 2 001 002
Chapter 8: The Sun
8.AF 2 001 002
8.GP 3 001 002 003
8.P 10 001 002 003 004 005 006 007 008 009 010 011
8.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
8.RQ 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
8.RTE 2 001 002
Chapter 9: The Family of Stars
9.AF 2 001 002
9.GP 5 001 002 003 004 005
9.P 12 001 002 003 004 005 006 007 008 009 010 011 012 014
9.RE 23 001 002 003 004 005 007 008 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
9.RQ 18 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018
9.RTE 3 001a 001b 002
Chapter 10: The Interstellar Medium
10.AF 2 001 003
10.GP 3 001 002 003
10.P 9 001 002 003 004 005 006 007 008 009
10.RE 19 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 019 020
10.RQ 11 001 002 003 004 005 006 007 008 009 010 011
10.RTE 2 001 002
Chapter 11: The Formation and Structure of Stars
11.AF 5 001 004 005 006 007
11.GP 4 001 002 003 004
11.P 11 001 002 003 004 005 006 007 008 009 010 011
11.RE 22 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022
11.RQ 10 001 002 003 004 005 006 007 008 009 010
11.RTE 2 001 002
Chapter 12: Stellar Evolution
12.AF 3 001 003 004
12.GP 4 001 002 003 004
12.P 10 001 002 003 004 005 006 007 008 009 010
12.RE 22 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022
12.RQ 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
12.RTE 2 001 002
Chapter 13: The Deaths of Stars
13.AF 3 001 003 004
13.GP 3 001 002 003
13.P 9 001 002 003 004 005 006 007 008 009
13.RE 23 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023
13.RQ 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
13.RTE 3 001 002a 002b
Chapter 14: Neutron Stars and Black Holes
14.AF 3 001 002 004
14.GP 3 001 002 003
14.P 9 001 002 003 004 005 006 007 008 009
14.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
14.RQ 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
14.RTE 1 001
Chapter 15: The Milky Way Galaxy
15.AF 2 001 002
15.GP 4 001 002 003 004
15.P 11 001 002 003 004 005 006 007 009 010 011 012
15.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
15.RQ 11 001 002 003 004 005 006 007 008 009 010 011
15.RTE 2 001 002
Chapter 16: Galaxies
16.AF 3 001 002 003
16.GP 3 001 002 003
16.P 10 001 002 003 004 005 006 007 008 009 010
16.RE 24 001 002 003 004 005 006 007 008 009 010 011 012 013 015 016 017 018 019 020 021 022 023 024 025
16.RQ 12 001 002 003 004 005 006 007 008 009 010 011 012
16.RTE 2 001 002
Chapter 17: Active Galaxies and Supermassive Black Holes
17.AF 2 001 002
17.GP 2 001 002
17.P 10 001 002 003 004 005 006 007 008 009 010
17.RE 23 001 002 003 004 005 006 007 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
17.RQ 9 001 002 003 004 005 006 007 008 009
17.RTE 2 001 002
Chapter 18: Modern Cosmology
18.AF 4 002 003 005 006
18.GP 3 001 002 003
18.P 7 001 002 003 004 005 006 007
18.RE 25 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
18.RQ 12 001 002 003 004 005 006 007 008 009 010 011 012
18.RTE 2 001 002
Chapter 19: The Origin of the Solar System
19.AF 4 001 002 003 004
19.GP 4 001 002 003 004
19.P 9 001 002 003 004 005 006 007 008 009
19.RE 25 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
19.RQ 18 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018
19.RTE 3 001a 001b 002
Chapter 20: Earth: The Standard of Comparative Planetology
20.AF 3 001 002 003
20.GP 4 001 002 003 004
20.P 6 001 002 003 004 005 006
20.RE 21 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021
20.RQ 13 001 002 003 004 005 006 007 008 009 010 011 012 013
20.RTE 2 001 002
Chapter 21: The Moon and Mercury: Comparing Airless Worlds
21.AF 2 001 002
21.GP 2 001 002
21.P 10 001 002 003 004 005 006 007 008 009 010
21.RE 21 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021
21.RQ 11 001 002 003 004 005 006 007 008 009 010 011
21.RTE 2 001 002
Chapter 22: Venus and Mars
22.GP 2 001 002
22.P 8 001 002 003 004 005 006 007 008
22.RE 22 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022
22.RQ 10 001 002 003 004 005 006 007 008 009 010
22.RTE 2 001 002
Chapter 23: Jupiter and Saturn
23.AF 4 002 003 004 005
23.GP 5 001 002 003 004 005
23.P 8 001 002 003 004 005 006 007 008
23.RE 23 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023
23.RQ 12 001 002 003 004 005 006 007 008 009 010 011 012
23.RTE 2 001 002
Chapter 24: Uranus, Neptune, and the Kuiper Belt
24.AF 3 002 003 005
24.GP 3 001 002 003
24.P 10 001 002 003 004 005 006 007 008 009 010
24.RE 19 001 002 003 004 005 006 007 008 010 011 012 013 014 015 016 017 018 019 020
24.RQ 12 001 002 003 004 005 006 007 008 009 010 011 012
24.RTE 2 001 002
Chapter 25: Meteorites, Asteroids, and Comets
25.AF 4 001 002 003 004
25.GP 4 001 002 003 004
25.P 9 001 002 003 004 005 007 008 009 011
25.RE 24 001 002 003 004 005 006 007 008 009 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
25.RQ 4 005 006 012 015
25.RTE 2 001 002
Chapter 26: Astrobiology: Life on Other Worlds
26.AF 4 002 003 004 005
26.GP 3 001 002 003
26.P 8 001 002 003 004 005 006 007 008
26.RE 25 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
26.RQ 13 001 002 004 005 006 007 008 009 010 011 012 013 014
26.RTE 2 001 002
Total 1370 (4)