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  • Paperback + Digital Product License Key Folder
  • Bookstore's Wholesale Price: $84.00
  • Forthcoming: December 2018
  • ISBN: 978-0-393-67553-5
  • Territory Rights: Worldwide
Please Note: Any item that is specified as being a folder is not available for immediate download. You must wait for the registration key folder to be delivered to you.

21st Century Astronomy: Stars & Galaxies

Sixth Edition

Paperback + Digital Product License Key Folder

See all options and formats starting at

Laura Kay (Author, Barnard College), Stacy Palen (Author, Weber State University), George Blumenthal (Author, University of California, Santa Cruz)


We learn best by doing.

Informed by astronomy education research, the Sixth Edition reflects an emphasis on learning by doing. This emphasis is reinforced through thoughtful pedagogy and an innovative teaching and learning package. Students get to interact with astronomy while instructors receive the resources they need to incorporate active learning into the classroom.


Instructor exam copies of this edition will be available in December 2018. Student copies and accompanying resources will be for sale starting July 1, 2019.

The Sixth Edition makes it even easier to facilitate active learning

The text and media truly engage students in doing astronomy—giving you more options for teaching an active course. Process of Science figures have been reimagined to provide clearer, more visually appealing representations of important discoveries. They are supported by assignments in Smartwork5 online assessment. A NEW Interactive Instructor’s Guide and a teaching blog from author Stacy Palen provide a wealth of ideas and resources for engaging students in the classroom.

Assign “learning by doing” outside of class

Smartwork5 allows you to easily assess students using interactive, visual content that works on a tablet or computer. Answer-specific feedback is provided for every problem in the course. It’s easy to get started with pre-made assignments created by Astro 101 teachers. And it’s also easy to customize—problems are sorted by learning objective and corresponding textbook feature.

A first-of-its-kind videogame for introductory astronomy

Our award-winning At Play in the Cosmos videogame is the ultimate learning-by-doing tool. This app offers challenging yet fun ways to apply course concepts to complete missions and earn achievements.

Student progress is reported so instructors can make the game part of the grade. Whether used before class to spark discussion, during class to promote collaboration, or after class to apply what they’ve learned, student feedback is overwhelmingly positive.

An activity workbook that promotes classroom collaboration

The activity workbook, Learning Astronomy by Doing Astronomy, brings collaborative participation to the classroom through group activities. All activities are based on astronomy education research. Free when packaged with any Norton astronomy text, it is a truly distinctive supplement with undeniable value.

    Chapter 1 Thinking Like an Astronomer

    Chapter 2 Patters in the Sky—Motions of the Earth and the Moon

    Chapter 3 Motion of Astronomical Bodies

    Chapter 4 Gravity and Orbits

    Chapter 5 Light

    Chapter 6 The Tools of the Astronomer

    Chapter 7 The Formation of Planetary Systems

    Chapter 13 Taking the Measure of Stars

    Chapter 14 Our Star—The Sun

    Chapter 15 The Interstellar Medium and Star Formation

    Chapter 16 Evolution of Low-Mass Stars

    Chapter 17 Evolution of High-Mass Stars

    Chapter 18 Relativity and Black Holes

    Chapter 19 Galaxies

    Chapter 20 The Milky Way-A Normal Spiral Galaxy

    Chapter 21 The Expanding Universe

    Chapter 22 Cosmology

    Chapter 23 Large-Scale Structure in the Universe

    Chapter 24 Life