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Foundations of Astronomy 15th edition

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

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  • Seeds Foundations of Astronomy 15e

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

  • Chapter 1: Here and Now
    • 1.1: Where Are We?
    • 1.2: When Is Now?
    • 1.3: Why Study Astronomy?
    • 1: Review Questions (16)
    • 1: Problems (13)
    • 1: Optimized Problems (6)
    • 1: Learning to Look (5)
    • 1: General Problems (4)
    • 1: Review Exercises
    • 1: Ranking Task Exercises (4)
    • 1: Animation Tutorial
    • 1: Waypoint
    • 1: Tutorial (2)
    • 1: Extra Problems (13)

  • 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 (27)
    • 2: Problems (12)
    • 2: Optimized Problems (4)
    • 2: Learning to Look (3)
    • 2: General Problems (6)
    • 2: Review Exercises
    • 2: Ranking Task Exercises (2)
    • 2: Animation Tutorial (1)
    • 2: Waypoint
    • 2: Tutorial (2)
    • 2: Extra Problems (25)

  • Chapter 3: Moon Phases and Eclipses
    • 3.1: The Changeable Moon (1)
    • 3.2: Lunar Eclipses
    • 3.3: Solar Eclipses
    • 3.4: Predicting Eclipses
    • 3: Review Questions (18)
    • 3: Problems (16)
    • 3: Optimized Problems (6)
    • 3: Learning to Look (11)
    • 3: General Problems (4)
    • 3: Review Exercises
    • 3: Ranking Task Exercises (2)
    • 3: Animation Tutorial (4)
    • 3: Waypoint
    • 3: Tutorial (2)
    • 3: Extra Problems (23)

  • 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 (25)
    • 4: Problems (11)
    • 4: Optimized Problems (6)
    • 4: Learning to Look (4)
    • 4: General Problems (5)
    • 4: Review Exercises
    • 4: Ranking Task Exercises (2)
    • 4: Animation Tutorial (1)
    • 4: Waypoint
    • 4: Tutorial (2)
    • 4: Extra Problems (26)

  • 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 (36)
    • 5: Problems (14)
    • 5: Optimized Problems (4)
    • 5: Learning to Look (1)
    • 5: General Problems (5)
    • 5: Review Exercises
    • 5: Ranking Task Exercises (2)
    • 5: Animation Tutorial (3)
    • 5: Waypoint
    • 5: Tutorial (2)
    • 5: Extra Problems (25)

  • 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 (18)
    • 6: Problems (11)
    • 6: Optimized Problems (6)
    • 6: Learning to Look (8)
    • 6: General Problems (5)
    • 6: Review Exercises
    • 6: Ranking Task Exercises (2)
    • 6: Animation Tutorial (1)
    • 6: Waypoint
    • 6: Tutorial (2)
    • 6: Extra Problems (26)

  • Chapter 7: Atoms and Spectra
    • 7.1: Atoms
    • 7.2: Interactions of Light and Matter
    • 7.3: Understanding Spectra
    • 7: Review Questions (21)
    • 7: Problems (11)
    • 7: Optimized Problems (6)
    • 7: Learning to Look (7)
    • 7: General Problems (4)
    • 7: Review Exercises
    • 7: Ranking Task Exercises (2)
    • 7: Animation Tutorial (2)
    • 7: Waypoint
    • 7: Tutorial (2)
    • 7: Extra Problems (26)

  • Chapter 8: The Sun
    • 8.1: The Solar Atmosphere
    • 8.2: Solar Activity
    • 8.3: Nuclear Fusion in the Sun
    • 8: Review Questions (29)
    • 8: Problems (15)
    • 8: Optimized Problems (7)
    • 8: Learning to Look (6)
    • 8: General Problems (3)
    • 8: Review Exercises
    • 8: Ranking Task Exercises (2)
    • 8: Animation Tutorial (3)
    • 8: Waypoint
    • 8: Tutorial (2)
    • 8: Extra Problems (27)

  • 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 (31)
    • 9: Problems (20)
    • 9: Optimized Problems (4)
    • 9: Learning to Look (4)
    • 9: General Problems (5)
    • 9: Review Exercises
    • 9: Ranking Task Exercises (4)
    • 9: Animation Tutorial (1)
    • 9: Waypoint
    • 9: Tutorial (2)
    • 9: Extra Problems (26)

  • 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 (23)
    • 10: Problems (8)
    • 10: Optimized Problems (7)
    • 10: Learning to Look (5)
    • 10: General Problems (3)
    • 10: Review Exercises
    • 10: Ranking Task Exercises (2)
    • 10: Animation Tutorial (1)
    • 10: Waypoint
    • 10: Tutorial (2)
    • 10: Extra Problems (22)

  • 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 (22)
    • 11: Problems (12)
    • 11: Optimized Problems (5)
    • 11: Learning to Look (6)
    • 11: General Problems (4)
    • 11: Review Exercises
    • 11: Ranking Task Exercises (2)
    • 11: Animation Tutorial (2)
    • 11: Waypoint
    • 11: Tutorial (2)
    • 11: Extra Problems (24)

  • 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 (31)
    • 12: Problems (13)
    • 12: Optimized Problems (6)
    • 12: Learning to Look (5)
    • 12: General Problems (4)
    • 12: Review Exercises
    • 12: Ranking Task Exercises (2)
    • 12: Animation Tutorial (3)
    • 12: Waypoint
    • 12: Tutorial (2)
    • 12: Extra Problems (25)

  • 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 (23)
    • 13: Problems (15)
    • 13: Optimized Problems (5)
    • 13: Learning to Look (5)
    • 13: General Problems (3)
    • 13: Review Exercises
    • 13: Ranking Task Exercises (2)
    • 13: Animation Tutorial (4)
    • 13: Waypoint (1)
    • 13: Tutorial (2)
    • 13: Extra Problems (27)

  • Chapter 14: Neutron Stars and Black Holes
    • 14.1: Neutron Stars
    • 14.2: Black Holes
    • 14.3: Phenomenal Cosmic Powers
    • 14: Review Questions (27)
    • 14: Problems (14)
    • 14: Optimized Problems (3)
    • 14: Learning to Look (3)
    • 14: General Problems (3)
    • 14: Review Exercises
    • 14: Ranking Task Exercises (2)
    • 14: Animation Tutorial (2)
    • 14: Waypoint
    • 14: Tutorial (2)
    • 14: Extra Problems (28)

  • 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 (28)
    • 15: Problems (14)
    • 15: Optimized Problems (5)
    • 15: Learning to Look (4)
    • 15: General Problems (4)
    • 15: Review Exercises
    • 15: Ranking Task Exercises (2)
    • 15: Animation Tutorial (2)
    • 15: Waypoint
    • 15: Tutorial (2)
    • 15: Extra Problems (27)

  • 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 (12)
    • 16: Problems (10)
    • 16: Optimized Problems (8)
    • 16: Learning to Look (4)
    • 16: General Problems (5)
    • 16: Review Exercises
    • 16: Ranking Task Exercises (2)
    • 16: Animation Tutorial (1)
    • 16: Waypoint
    • 16: Tutorial (2)
    • 16: Extra Problems (79)

  • 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 (30)
    • 17: Problems (12)
    • 17: Optimized Problems (7)
    • 17: Learning to Look (5)
    • 17: General Problems (3)
    • 17: Review Exercises
    • 17: Ranking Task Exercises (2)
    • 17: Animation Tutorial (2)
    • 17: Waypoint
    • 17: Tutorial (2)
    • 17: Extra Problems (27)

  • Chapter 18: The Solar System: A Family Portrait and History
    • 18.1: The Great Chain of Origins
    • 18.2: A Solar System Family Portrait
    • 18.3: A Recipe for Planets
    • 18: Review Questions (15)
    • 18: Problems (8)
    • 18: Optimized Problems (5)
    • 18: Learning to Look (3)
    • 18: General Problems (3)
    • 18: Review Exercises
    • 18: Ranking Task Exercises (2)
    • 18: Animation Tutorial (1)
    • 18: Waypoint
    • 18: Tutorial (2)
    • 18: Extra Problems (20)

  • Chapter 19: Earth: The Active Planet
    • 19.1: A Travel Guide to the Terrestrial Planets
    • 19.2: Earth: Inside and Outside
    • 19.3: Earth’s Unique Outer Layers
    • 19: Review Questions (33)
    • 19: Problems (9)
    • 19: Optimized Problems (6)
    • 19: Learning to Look (6)
    • 19: General Problems (4)
    • 19: Review Exercises
    • 19: Ranking Task Exercises (2)
    • 19: Animation Tutorial (2)
    • 19: Waypoint
    • 19: Tutorial (2)
    • 19: Extra Problems (23)

  • Chapter 20: The Moon and Mercury: Comparing Airless Worlds
    • 20.1: The Moon
    • 20.2: Mercury
    • 20.3: Space Age Astronomy
    • 20: Review Questions (24)
    • 20: Problems (13)
    • 20: Optimized Problems (6)
    • 20: Learning to Look (3)
    • 20: General Problems (2)
    • 20: Review Exercises
    • 20: Ranking Task Exercises (2)
    • 20: Animation Tutorial (2)
    • 20: Waypoint
    • 20: Tutorial (2)
    • 20: Extra Problems (25)

  • Chapter 21: Venus and Mars
    • 21.1: Venus
    • 21.2: Mars
    • 21: Review Questions (24)
    • 21: Problems (12)
    • 21: Optimized Problems (7)
    • 21: Learning to Look (5)
    • 21: General Problems (2)
    • 21: Review Exercises
    • 21: Ranking Task Exercises (2)
    • 21: Animation Tutorial
    • 21: Waypoint
    • 21: Tutorial (2)
    • 21: Extra Problems (25)

  • Chapter 22: Jupiter and Saturn
    • 22.1: A Travel Guide to the Outer Solar System
    • 22.2: Jupiter
    • 22.3: The Satellites of Jupiter
    • 22.4: Planetary Rings
    • 22.5: Saturn
    • 22.6: The Satellites of Saturn
    • 22: Review Questions (32)
    • 22: Problems (10)
    • 22: Optimized Problems (6)
    • 22: Learning to Look (2)
    • 22: General Problems (5)
    • 22: Review Exercises
    • 22: Ranking Task Exercises (2)
    • 22: Animation Tutorial (1)
    • 22: Waypoint
    • 22: Tutorial (2)
    • 22: Extra Problems (30)

  • Chapter 23: Uranus, Neptune, and Beyond
    • 23.1: Uranus
    • 23.2: Neptune
    • 23.3: Pluto and Beyond
    • 23: Review Questions (20)
    • 23: Problems (10)
    • 23: Optimized Problems (7)
    • 23: Learning to Look (5)
    • 23: General Problems (3)
    • 23: Review Exercises
    • 23: Ranking Task Exercises (2)
    • 23: Animation Tutorial (1)
    • 23: Waypoint
    • 23: Tutorial (2)
    • 23: Extra Problems (23)

  • Chapter 24: Asteroids, Comets, and Meteorites
    • 24.1: Asteroids
    • 24.2: Comets
    • 24.3: Meteorites, Meteors, and Meteoroids
    • 24.4: Impacts on Planets
    • 24: Review Questions (12)
    • 24: Problems (11)
    • 24: Optimized Problems (6)
    • 24: Learning to Look (3)
    • 24: General Problems (4)
    • 24: Review Exercises
    • 24: Ranking Task Exercises (2)
    • 24: Animation Tutorial (2)
    • 24: Waypoint
    • 24: Tutorial (2)
    • 24: Extra Problems (28)

  • Chapter 25: Extrasolar Planets
    • 25.1: Expecting Exoplanets
    • 25.2: Finding Exoplanets
    • 25.3: Exoplanet Properties
    • 25.4: Earth-like Exoplanets
    • 25: Review Questions (17)
    • 25: Problems (8)
    • 25: Optimized Problems (1)
    • 25: Learning to Look (2)
    • 25: General Problems (1)
    • 25: Review Exercises
    • 25: Ranking Task Exercises (2)
    • 25: Animation Tutorial
    • 25: Waypoint
    • 25: Tutorial
    • 25: Extra Problems (5)

  • Chapter 26: Astrobiology: Life on Other Worlds
    • 26.1: What Is Life?
    • 26.2: Life in the Universe
    • 26.3: Intelligent Life in the Universe
    • 26: Review Questions (29)
    • 26: Problems (9)
    • 26: Optimized Problems (7)
    • 26: Learning to Look (2)
    • 26: General Problems (3)
    • 26: Review Exercises
    • 26: Ranking Task Exercises (2)
    • 26: Animation Tutorial (2)
    • 26: Waypoint
    • 26: Tutorial (2)
    • 26: Extra Problems (29)

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


Foundations of Astronomy, 15th edition, by Michael Seeds, Dana Backman, and Eric Wegryn, emphasizes the scientific method throughout as it guides students to answer two fundamental questions: What are we? How do we know? In addition to exploring the newest developments and latest discoveries in the exciting field of astronomy, the authors discuss the interplay between evidence and hypothesis—providing both factual information and a conceptual framework for understanding the logic of science. The WebAssign component offers tutorials, assessment problems, conceptual questions, and interactive components. The variety of question types offers options for both for qualitative and quantitative approaches to teaching astronomy.

Many of the questions provide scaffolding to build skills and confidence in the use of simple algebra, geometry, and proportional reasoning to solve astronomy problems. Many provide targeted feedback to address specific student errors. Finally, several have interactive elements (above all the Virtual Astronomy Laboratories, two of which appear at the end of this Sample Assignment).

  • Virtual Astronomy Laboratories (VAL) can be assigned as a standalone activity or as part of a larger learning experience. VAL incorporates real astronomical data, simulations, and other interactive elements, offering students the opportunity to experience astronomy as a scientist. Targeted feedback guides students in revising any incorrect answers.
    • New Stellarium Activities: Included in our Virtual Astronomy Labs are 10 new Stellarium Activities that engage students in exploring the night sky through realistic, interactive online learning. These immersive activities cover constellations, planets, stellar properties, and more, using diverse assessments to enhance critical thinking and expand celestial knowledge.
  • New Digital Workbook Problems: The Workbook problems combine narrative and assessment elements as part of a singular learning activity that is delivered within WebAssign. The problems interweave narrative and interactives of a variety of media types with assessments, containing an introduction to the relevant topics and subtopics.
  • Optimized Problems offer randomized parameters and provide targeted feedback to students who have incorrectly answered any part of the problem.
  • Tutorials coach the student through the steps of problems. These highly structured, scaffolded learning activities give strong support to the student with emerging or dormant quantitative-reasoning skills.
  • Animation Tutorials present rich concepts using animations, interactive figures, or other multimedia elements, and then assess student learning with a variety of item types.
  • Problems appear in the back of textbook chapters, though numbers and contextual details may be randomized for a customized learning experience.
  • General Problems are multiple-select (MS) items, in which several choices may be correct. They invite students to synthesize descriptive knowledge about a particular topic.
  • Review Questions are adapted from the textbook questions and provide opportunities for test prep and formative assessment.
  • Read It links under each question quickly jump to the corresponding section of a complete eBook.
Use the Textbook Edition Upgrade Tool to automatically update all of your assignments from the previous edition to corresponding questions in this textbook.

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.

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Group Quantity Questions
Chapter VAL: Virtual Astronomy Labs
VAL.1 3 001 002 003
VAL.2 4 001 002 003 004
VAL.3 2 001 002
VAL.4 3 001 002 003
VAL.5 3 001 002 003
VAL.6 2 001 002
VAL.7 2 001 002
VAL.8 3 001 002 003
VAL.9 3 001 002 003
VAL.10 2 001 002
VAL.11 2 001 002
VAL.12 3 001 002 003
VAL.13 3 001 002 003
VAL.14 3 001 002 003
VAL.15 3 001 002 003
VAL.16 3 001 002 003
VAL.17 2 001 002
VAL.18 3 001 002 003
VAL.19 1 001
VAL.20 10 STEL.001 STEL.002 STEL.003 STEL.004 STEL.005 STEL.006 STEL.007 STEL.008 STEL.009 STEL.010
Chapter 1: Here and Now
1.CRQ 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
1.LL 5 001 003 004 005 006
1.MS 4 001 002 003 004
1.OP 6 006 014 015 016 017 018
1.RTE 4 001 002 003 004
1.TP 13 001 002 003 004 005 006 007 008 009 010 011 012 013
1.Tut 2 001 002
1.XP 13 RE.001 RE.002 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014
Chapter 2: A Guide to the Sky
2.AT 1 001
2.CRQ 27 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 026 027 028
2.CVQ 2 001 002
2.DWB 1 001
2.LL 3 001 002 003
2.MS 6 001a 001b 002 003 004 005
2.OP 4 007 015 016 017
2.RTE 2 001 002
2.TP 12 001 002 003 004 005 006 007 008 009 010 011 014
2.Tut 2 001 002
2.XP 25 CRQ.003 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.023 RE.024 RTE.002
Chapter 3: Moon Phases and Eclipses
3.AT 4 001 002 004 005
3.CRQ 18 001 002 003 004 006 008 010 012 013 014 015 016 017 018 019 020 021 022
3.DWB 3 001 002 003
3.LL 11 001 002 003 004 005 006 007 008 009 0010 0011
3.MS 4 001 002 003 004
3.OP 6 001 011 019 020 022 023
3.RTE 2 001 002
3.TP 16 001 002 003 004 005 006 007 008 009 010 011 012 014 016 017 018
3.Tut 2 001 002
3.XP 23 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RTE.001 RTE.002
3.1 1 DWB.001
Chapter 4: The Origin of Modern Astronomy
4.AT 1 001
4.CRQ 25 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026
4.DWB 4 001 002 003 004
4.LL 4 001 002 003 004
4.MS 5 001 002a 002b 003 004
4.OP 6 012 014 015 016 017 018
4.RTE 2 001 002
4.TP 11 001 002 003 004 005 006 007 008 009 010 011
4.Tut 2 001 002
4.XP 26 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RTE.001 RTE.002
Chapter 5: Gravity
5.AT 3 001 002 003
5.CRQ 36 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 039 040
5.CVQ 1 001
5.LL 1 001
5.MS 5 001a 001b 002a 002b 003
5.OP 4 003 016 017 018
5.RTE 2 001 002
5.TP 14 001 002 003 004 005 006 007 008 009 010 011 012 013 015
5.Tut 2 001 002
5.XP 25 CRQ.001 CRQ.002 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RTE.001 RTE.002
Chapter 6: Light and Telescopes
6.AT 1 002
6.CRQ 18 001 004 005 006 008 009 010 011 013 014 015 017 019 020 021 022 023 024
6.CVQ 1 001
6.DWB 2 001 002
6.LL 8 001 002 003 004 005 006 007 008
6.MS 5 001 002 003 004 005
6.OP 6 008 016 017 018 019 020
6.RTE 2 001 002
6.TP 11 002 003 004 005 006 007 008 010 011 014 015
6.Tut 2 001 002
6.XP 26 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RTE.001 RTE.002
Chapter 7: Atoms and Spectra
7.AT 2 001 002
7.CRQ 21 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
7.CVQ 1 001
7.DWB 1 002
7.LL 7 001 002 003 004 005 006 007
7.MS 4 001 002 003 004
7.OP 6 013 014 015 016 017 018
7.RTE 2 001 002
7.TP 11 001 002 004 005 006 007 008 009 010 011 012
7.Tut 2 001 002
7.XP 26 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RTE.001 RTE.002
Chapter 8: The Sun
8.AT 3 001 002 003
8.CRQ 29 001 002 003 004 005 006 007 009 010 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 032
8.CVQ 2 001 002
8.DWB 2 001 002
8.LL 6 001 002 003 004 005 006
8.MS 3 001 002 003
8.OP 7 006 008 010 017 018 019 020
8.RTE 2 001 002
8.TP 15 001 002 003 005 006 007 008 009 010 011 012 013 014 015 016
8.Tut 2 001 002
8.XP 27 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RTE.001 RTE.002
Chapter 9: The Family of Stars
9.AT 1 002
9.CRQ 31 001 002 003 004 005 006 007 008 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033
9.CVQ 1 001
9.DWB 2 001 002
9.LL 4 001 002 003 004
9.MS 5 001 002 003 004 005
9.OP 4 010 020 021 022
9.RTE 4 001 001a 002 003
9.TP 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
9.Tut 2 001 002
9.XP 26 RE.001 RE.002 RE.003 RE.004 RE.005 RE.007 RE.008 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RE.025 RTE.001a RTE.001b RTE.002
Chapter 10: The Interstellar Medium
10.AT 1 001
10.CRQ 23 001 002 003 004 005 006 007 008 010 012 013 014 015 016 017 018 019 020 021 022 023 024 025
10.CVQ 1 001
10.LL 5 001 002 003 004 005
10.MS 3 001 002 003
10.OP 7 001 002 004 007 011 012 013
10.RTE 2 001 002
10.TP 8 001 002 004 005 007 008 009 010
10.Tut 2 001 002
10.XP 22 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.019 RE.020 RTE.001 RTE.002
Chapter 11: The Formation and Structure of Stars
11.AT 2 001 002
11.CRQ 22 001 002 003 004 005 006 007 008 009 010 012 013 014 015 016 017 018 019 020 021 022 023
11.CVQ 2 001 002
11.LL 6 001 002 003 004 005 006
11.MS 4 001 002 003 004
11.OP 5 002 003 007 008 015
11.RTE 2 001 002
11.TP 12 002 003 004 005 007 008 009 010 011 012 013 014
11.Tut 2 001 002
11.XP 24 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RTE.001 RTE.002
Chapter 12: Stellar Evolution
12.AT 3 001 002 003
12.CRQ 31 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 027 028 029 030 031 032
12.CVQ 1 001
12.LL 5 001 002 003 004 005
12.MS 4 001 002 003 004
12.OP 6 015 018 019 020 021 022
12.RTE 2 001 002
12.TP 13 001 002 003 004 005 006 007 008 009 011 012 013 014
12.Tut 2 001 002
12.XP 25 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RTE.001 RTE.002
Chapter 13: The Deaths of Stars
13.AT 4 001 002 003 004
13.CRQ 23 001 002 003 004 006 007 008 009 010 011 012 013 014 015 017 018 019 020 021 022 023 024 025
13.CVQ 1 001
13.DWB 2 001 002
13.LL 5 001 002 003 004 005
13.MS 3 001 002 003
13.OP 5 004 016 017 018 019
13.RTE 2 001 002
13.TP 15 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015
13.Tut 2 001 002
13.WP 1 001
13.XP 27 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RTE.001 RTE.002a RTE.002b
Chapter 14: Neutron Stars and Black Holes
14.AT 2 002 003
14.CRQ 27 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027
14.CVQ 1 001
14.DWB 1 001
14.LL 3 003 004 005
14.MS 3 001 002 003
14.OP 3 001 002 007
14.RTE 2 001 002
14.TP 14 001 002 003 004 005 008 009 010 011 012 013 014 015 016
14.Tut 2 001 002
14.XP 28 CRQ.001 CRQ.002 CRQ.003 CRQ.004 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024
Chapter 15: The Milky Way Galaxy
15.AT 2 001 002
15.CRQ 28 001 002 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029
15.CVQ 1 001
15.DWB 1 001
15.LL 4 001 002 003 005
15.MS 4 001 002 003 004
15.OP 5 010 016 017 018 019
15.RTE 2 001 002
15.TP 14 001 002 003 004 005 007 008 009 010 011 012 013 014 015
15.Tut 2 001 002
15.XP 27 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RTE.001 RTE.002
Chapter 16: Galaxies: Normal and Active
16.AT 1 001
16.CRQ 12 001 002 003 004 005 006 007 008 009 010 011 012
16.CVQ 3 001 002 003
16.DWB 3 001 002 003
16.LL 4 001 002 003 004
16.MS 5 001 002 003 004 005
16.OP 8 003 006 008 009 010 011 012 013
16.RTE 2 001 002
16.TP 10 001 002 003 004 005 006 007 008 009 010
16.Tut 2 001 002
16.XP 79 CRQ.001 CRQ.002 CRQ.003 CRQ.004 CRQ.005 CRQ.006 CRQ.007 CRQ.008 CRQ.009 CRQ.010 CRQ.011 CRQ.012 CRQ.013 CRQ.014 CRQ.015 CRQ.016 CRQ.017 CRQ.018 CRQ.019 CRQ.020 CRQ.021 CRQ.022 CRQ.023 CRQ.024 CRQ.025 CRQ.026 CRQ.027 CRQ.028 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RE.025 RE.026 RE.027 RE.028 RE.029 RE.030 RE.031 RE.032 RE.033 RE.034 RE.035 RE.036 RE.037 RE.038 RE.039 RE.040 RE.041 RE.042 RE.043 RE.044 RE.045 RE.046 RE.047 RE.048 RTE.001 RTE.002 RTE.003 RTE.004
Chapter 17: Modern Cosmology
17.AT 2 001 003
17.CRQ 30 001 002 003 004 005 006 007 008 009 010 011 013 014 015 016 017 018 019 021 022 023 024 025 026 027 028 029 030 031 032
17.CVQ 1 001
17.DWB 2 001 002
17.LL 5 001 003 004 005 006
17.MS 3 001 002 003
17.OP 7 003 011 013 014 015 016 017
17.RTE 2 001 002
17.TP 12 001 002 003 004 005 006 007 008 009 010 011 012
17.Tut 2 001 002
17.XP 27 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RE.025 RTE.001 RTE.002
Chapter 18: The Solar System: A Family Portrait and History
18.AT 1 001
18.CRQ 15 001 002 003 004 005 006 007 008 009 010 012 013 014 015 016
18.CVQ 1 001
18.DWB 2 001 002
18.LL 3 001 002 003
18.MS 3 001 002 003
18.OP 5 004 006 007 010 014
18.RTE 2 001 002
18.TP 8 001 002 003 004 005 006 007 008
18.Tut 2 001 002
18.XP 20 RE.004 RE.005 RE.006 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.024 RE.025 RE.026 RE.027 RTE.001a RTE.001b RTE.002
Chapter 19: Earth: The Active Planet
19.AT 2 001 002
19.CRQ 33 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 029 030 031 032 033 034
19.CVQ 1 001
19.DWB 1 001
19.LL 6 001 002 003 004 005 006
19.MS 4 001 002 003 004
19.OP 6 010 011 012 013 014 015
19.RTE 2 001 002
19.TP 9 001 002 003 004 005 006 007 008 009
19.Tut 2 001 002
19.XP 23 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RTE.001 RTE.002
Chapter 20: The Moon and Mercury: Comparing Airless Worlds
20.AT 2 001 002
20.CRQ 24 001 002 003 006 007 008 009 010 011 012 013 016 017 018 019 020 021 023 024 025 026 027 028 029
20.CVQ 1 001
20.LL 3 001 002 003
20.MS 2 001 002
20.OP 6 006 008 015 016 017 018
20.RTE 2 001 002
20.TP 13 001 002 003 004 005 006 007 008 009 010 012 013 014
20.Tut 2 001 002
20.XP 25 CRQ.001 CRQ.002 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RTE.001 RTE.002
Chapter 21: Venus and Mars
21.CRQ 24 001 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025
21.CVQ 2 001 002
21.DWB 1 002
21.LL 5 001 002 003 004 005
21.MS 2 001 002
21.OP 7 006 008 010 011 013 014 015
21.RTE 2 001 002
21.TP 12 001 002 003 004 005 006 007 008 009 010 011 012
21.Tut 2 001 002
21.XP 25 CRQ.001 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RTE.001 RTE.002
Chapter 22: Jupiter and Saturn
22.AT 1 002
22.CRQ 32 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 020 021 022 024 025 026 027 028 029 030 032 033 034 035
22.CVQ 2 001 002
22.LL 2 001 002
22.MS 5 001 002 003 004 005
22.OP 6 002 005 012 013 014 015
22.RTE 2 001 002
22.TP 10 001 002 003 004 005 006 007 009 010 011
22.Tut 2 001 002
22.XP 30 CRQ.001 CRQ.002 CRQ.003 CRQ.004 CRQ.005 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RTE.001 RTE.002
Chapter 23: Uranus, Neptune, and Beyond
23.AT 1 001
23.CRQ 20 001 002 003 005 006 007 008 009 010 012 013 014 015 016 017 018 019 023 024 025
23.CVQ 1 001
23.DWB 3 001 002 003
23.LL 5 001 002 003 004 005
23.MS 3 001 002 003
23.OP 7 003 004 026 027 028 029 030
23.RTE 2 001 002
23.TP 10 001 002 003 004 005 007 008 009 010 011
23.Tut 2 001 002
23.XP 23 CRQ.001 CRQ.002 CRQ.003 RE.001 RE.002 RE.003 RE.005 RE.006 RE.007 RE.008 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RTE.001 RTE.002
Chapter 24: Asteroids, Comets, and Meteorites
24.AT 2 001 002
24.CRQ 12 001 002 003 004 007 008 009 010 011 012 013 014
24.CVQ 2 001 002
24.DWB 1 002
24.LL 3 001 002 003
24.MS 4 001 002 003 004
24.OP 6 001 005 007 010 012 017
24.RTE 2 001 002
24.TP 11 001 002 003 004 005 006 007 008 009 010 011
24.Tut 2 001 002
24.XP 28 CRQ.001 CRQ.002 CRQ.003 CRQ.004 RE.001 RE.002 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.011 RE.012 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RE.025 RTE.001 RTE.002
Chapter 25: Extrasolar Planets
25.CRQ 17 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017
25.DWB 2 001 002
25.LL 2 001 002
25.MS 1 004
25.OP 1 002
25.RTE 2 001 002
25.TP 8 001 002 003 004 005 006 007 008
25.XP 5 CRQ.001 RE.001 RE.002 RE.003 RE.004
Chapter 26: Astrobiology: Life on Other Worlds
26.AT 2 001 002
26.CRQ 29 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029
26.CVQ 1 001
26.LL 2 001 002
26.MS 3 001 002 003
26.OP 7 003 011 012 013 014 015 016
26.RTE 2 001 002
26.TP 9 001 002 003 004 006 007 008 009 010
26.Tut 2 001 002
26.XP 29 CRQ.001 CRQ.002 RE.001 RE.002 RE.003 RE.004 RE.005 RE.006 RE.007 RE.008 RE.009 RE.010 RE.011 RE.012 RE.013 RE.014 RE.015 RE.016 RE.017 RE.018 RE.019 RE.020 RE.021 RE.022 RE.023 RE.024 RE.025 RTE.001 RTE.002
Total 2254 (1)  

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