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Stars and Galaxies 15th edition

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Michael A. Seeds, Dana E. Backman, and Eric Wegryn
Publisher: Cengage Learning

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  • Seeds Stars and Galaxies 15e

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  • Chapter 1: Here and Now
    • 1.1: Where Are We?
    • 1.2: When Is Now?
    • 1.3: Why Study Astronomy?
    • 1: Review Questions
    • 1: Problems
    • 1: Optimized Problems
    • 1: Learning to Look
    • 1: General Problems
    • 1: Review Exercises
    • 1: Ranking Task Exercises
    • 1: Animation Tutorial
    • 1: Waypoint
    • 1: Tutorial
    • 1: Extra Problems

  • Chapter 2: A Guide to the Sky
    • 2.1: The Stars
    • 2.2: The Sky: Its Motions and Cycles
    • 2.3: Sun and Planets
    • 2.4: Astronomical Influences on Earth's Climate
    • 2: Review Questions
    • 2: Problems
    • 2: Optimized Problems
    • 2: Learning to Look
    • 2: General Problems
    • 2: Review Exercises
    • 2: Ranking Task Exercises
    • 2: Animation Tutorial
    • 2: Waypoint
    • 2: Tutorial
    • 2: Extra Problems

  • Chapter 3: Moon Phases and Eclipses
    • 3.1: The Changeable Moon
    • 3.2: Lunar Eclipses
    • 3.3: Solar Eclipses
    • 3.4: Predicting Eclipses
    • 3: Review Questions
    • 3: Problems
    • 3: Optimized Problems
    • 3: Learning to Look
    • 3: General Problems
    • 3: Review Exercises
    • 3: Ranking Task Exercises
    • 3: Animation Tutorial
    • 3: Waypoint
    • 3: Tutorial
    • 3: Extra Problems

  • Chapter 4: The Origin of Modern Astronomy
    • 4.1: Archaeoastronomy
    • 4.2: Classical Astronomy
    • 4.3: The Copernican Revolution
    • 4.4: Planetary Motion
    • 4.5: Galileo Galilei
    • 4.6: Ninety-Nine Years That Revolutionized Astronomy
    • 4: Review Questions
    • 4: Problems
    • 4: Optimized Problems
    • 4: Learning to Look
    • 4: General Problems
    • 4: Review Exercises
    • 4: Ranking Task Exercises
    • 4: Animation Tutorial
    • 4: Waypoint
    • 4: Tutorial
    • 4: Extra Problems

  • Chapter 5: Gravity
    • 5.1: Galileo's and Newton's Two New Sciences
    • 5.2: Orbital Motion and Tides
    • 5.3: Einstein and Relativity
    • 5: Review Questions
    • 5: Problems
    • 5: Optimized Problems
    • 5: Learning to Look
    • 5: General Problems
    • 5: Review Exercises
    • 5: Ranking Task Exercises
    • 5: Animation Tutorial
    • 5: Waypoint
    • 5: Tutorial
    • 5: Extra Problems

  • 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: Non-Electromagnetic Astronomy
    • 6: Review Questions
    • 6: Problems
    • 6: Optimized Problems
    • 6: Learning to Look
    • 6: General Problems
    • 6: Review Exercises
    • 6: Ranking Task Exercises
    • 6: Animation Tutorial
    • 6: Waypoint
    • 6: Tutorial
    • 6: Extra Problems

  • Chapter 7: Atoms and Spectra
    • 7.1: Atoms
    • 7.2: Interactions of Light and Matter
    • 7.3: Understanding Spectra
    • 7: Review Questions
    • 7: Problems
    • 7: Optimized Problems
    • 7: Learning to Look
    • 7: General Problems
    • 7: Review Exercises
    • 7: Ranking Task Exercises
    • 7: Animation Tutorial
    • 7: Waypoint
    • 7: Tutorial
    • 7: Extra Problems

  • Chapter 8: The Sun
    • 8.1: The Solar Atmosphere
    • 8.2: Solar Activity
    • 8.3: Nuclear Fusion in the Sun
    • 8: Review Questions
    • 8: Problems
    • 8: Optimized Problems
    • 8: Learning to Look
    • 8: General Problems
    • 8: Review Exercises
    • 8: Ranking Task Exercises
    • 8: Animation Tutorial
    • 8: Waypoint
    • 8: Tutorial
    • 8: Extra Problems

  • 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 Masses—Binary Stars
    • 9.6: A Census of the Stars
    • 9: Review Questions
    • 9: Problems
    • 9: Optimized Problems
    • 9: Learning to Look
    • 9: General Problems
    • 9: Review Exercises
    • 9: Ranking Task Exercises
    • 9: Animation Tutorial
    • 9: Waypoint
    • 9: Tutorial
    • 9: Extra Problems

  • 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
    • 10: Review Questions
    • 10: Problems
    • 10: Optimized Problems
    • 10: Learning to Look
    • 10: General Problems
    • 10: Review Exercises
    • 10: Ranking Task Exercises
    • 10: Animation Tutorial
    • 10: Waypoint
    • 10: Tutorial
    • 10: Extra Problems

  • 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
    • 11: Review Questions
    • 11: Problems
    • 11: Optimized Problems
    • 11: Learning to Look
    • 11: General Problems
    • 11: Review Exercises
    • 11: Ranking Task Exercises
    • 11: Animation Tutorial
    • 11: Waypoint
    • 11: Tutorial
    • 11: Extra Problems

  • Chapter 12: Stellar Evolution
    • 12.1: Main-Sequence Stars
    • 12.2: Post-Main-Sequence Evolution
    • 12.3: Star Clusters: Evidence of Stellar Evolution
    • 12.4: Variable Stars: Evidence of Stellar Evolution
    • 12: Review Questions
    • 12: Problems
    • 12: Optimized Problems
    • 12: Learning to Look
    • 12: General Problems
    • 12: Review Exercises
    • 12: Ranking Task Exercises
    • 12: Animation Tutorial
    • 12: Waypoint
    • 12: Tutorial
    • 12: Extra Problems

  • Chapter 13: The Deaths of Stars
    • 13.1: Low-Mass Stars
    • 13.2: Evolution of Binary Systems
    • 13.3: High-Mass Stars
    • 13.4: Supernova Explosions
    • 13.5: The End of Earth
    • 13: Review Questions
    • 13: Problems
    • 13: Optimized Problems
    • 13: Learning to Look
    • 13: General Problems
    • 13: Review Exercises
    • 13: Ranking Task Exercises
    • 13: Animation Tutorial
    • 13: Waypoint
    • 13: Tutorial
    • 13: Extra Problems

  • Chapter 14: Neutron Stars and Black Holes
    • 14.1: Neutron Stars
    • 14.2: Black Holes
    • 14.3: Phenomenal Cosmic Powers
    • 14: Review Questions
    • 14: Problems
    • 14: Optimized Problems
    • 14: Learning to Look
    • 14: General Problems
    • 14: Review Exercises
    • 14: Ranking Task Exercises
    • 14: Animation Tutorial
    • 14: Waypoint
    • 14: Tutorial
    • 14: Extra Problems

  • Chapter 15: The Milky Way Galaxy
    • 15.1: Discovery of the Galaxy
    • 15.2: Structure and Components of the Galaxy
    • 15.3: Spiral Arms and Star Formation
    • 15.4: Origin and History of the Milky Way Galaxy
    • 15: Review Questions
    • 15: Problems
    • 15: Optimized Problems
    • 15: Learning to Look
    • 15: General Problems
    • 15: Review Exercises
    • 15: Ranking Task Exercises
    • 15: Animation Tutorial
    • 15: Waypoint
    • 15: Tutorial
    • 15: Extra Problems

  • Chapter 16: Galaxies: Normal and Active
    • 16.1: The Family of Galaxies
    • 16.2: Measuring the Properties of Galaxies
    • 16.3: Evolution of Galaxies
    • 16.4: Active Galactic Nuclei and Quasars
    • 16.5: Disks, Jets, Eruptions, and Galaxy Histories
    • 16: Review Questions
    • 16: Problems
    • 16: Optimized Problems
    • 16: Learning to Look
    • 16: General Problems
    • 16: Review Exercises
    • 16: Ranking Task Exercises
    • 16: Animation Tutorial
    • 16: Waypoint
    • 16: Tutorial
    • 16: Extra Problems

  • Chapter 17: Modern Cosmology
    • 17.1: Introduction to the Universe
    • 17.2: The Big Bang Theory
    • 17.3: Space and Time, Matter and Gravity
    • 17.4: Twenty-First-Century Cosmology
    • 17: Review Questions
    • 17: Problems
    • 17: Optimized Problems
    • 17: Learning to Look
    • 17: General Problems
    • 17: Review Exercises
    • 17: Ranking Task Exercises
    • 17: Animation Tutorial
    • 17: Waypoint
    • 17: Tutorial
    • 17: Extra Problems

  • Chapter 18: Extrasolar Planets
    • 18.1: Expecting Exoplanets
    • 18.2: Finding Exoplanets
    • 18.3: Exoplanet Properties
    • 18.4: Earth-like Exoplanets
    • 18: Review Questions
    • 18: Problems
    • 18: Optimized Problems
    • 18: Learning to Look
    • 18: General Problems
    • 18: Review Exercises
    • 18: Ranking Task Exercises
    • 18: Animation Tutorial
    • 18: Waypoint
    • 18: Tutorial
    • 18: Extra Problems

  • Chapter 19: Astrobiology: Life on Other Worlds
    • 19.1: What Is Life?
    • 19.2: Life in the Universe
    • 19.3: Intelligent Life in the Universe
    • 19: Review Questions
    • 19: Problems
    • 19: Optimized Problems
    • 19: Learning to Look
    • 19: General Problems
    • 19: Review Exercises
    • 19: Ranking Task Exercises
    • 19: Animation Tutorial
    • 19: Waypoint
    • 19: Tutorial
    • 19: Extra Problems

  • Chapter VAL: Virtual Astronomy Labs
    • Lab 1: Measurement and Unit Conversion
    • Lab 2: Light and Matter
    • Lab 3: The Doppler Effect
    • Lab 4: The Solar Wind and Cosmic Rays
    • Lab 5: Planetary Geology
    • Lab 6: Tides and Tidal Forces
    • Lab 7: Planetary Atmospheres
    • Lab 8: Extrasolar Planets
    • Lab 9: Kepler's Laws
    • Lab 10: Helioseismology
    • Lab 11: Stars, Star Clusters, and the HR Diagram
    • Lab 12: Binary Stars
    • Lab 13: Stellar Explosions, Novae, and Supernovae
    • Lab 14: Neutron Stars and Pulsars
    • Lab 15: Asteroids and Kuiper Belt Objects
    • Lab 16: Astronomical Distance Scales
    • Lab 17: Evidence for Dark Matter
    • Lab 18: The Hubble Law
    • Lab 19: The Fate of the Universe
    • Lab 20: Stellarium Labs

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


Group Quantity Questions
Chapter 1: Here and Now
1 0  
Chapter 2: A Guide to the Sky
2 0  
Chapter 3: Moon Phases and Eclipses
3 0  
Chapter 4: The Origin of Modern Astronomy
4 0  
Chapter 5: Gravity
5 0  
Chapter 6: Light and Telescopes
6 0  
Chapter 7: Atoms and Spectra
7 0  
Chapter 8: The Sun
8 0  
Chapter 9: The Family of Stars
9 0  
Chapter 10: The Interstellar Medium
10 0  
Chapter 11: The Formation and Structure of Stars
11 0  
Chapter 12: Stellar Evolution
12 0  
Chapter 13: The Deaths of Stars
13 0  
Chapter 14: Neutron Stars and Black Holes
14 0  
Chapter 15: The Milky Way Galaxy
15 0  
Chapter 16: Galaxies: Normal and Active
16 0  
Chapter 17: Modern Cosmology
17 0  
Chapter 18: Extrasolar Planets
18 0  
Chapter 19: Astrobiology: Life on Other Worlds
19 0  
Total 0  

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