English

Authority Sources

http://id.loc.gov/vocabulary/iso639-2/eng

Chapter 07 Problems: Other Worlds

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Chapter 08 Problems: Earth as a Planet

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Chapter 09 Problems: Cratered Worlds

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Chapter 02 Problems: Observing the Sky

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Chapter 22 Solutions: Stars From Adolescence to Old Age

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Chapter 24 Solutions: Black Holes and Spacetime

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Chapter 25 Solutions: The Milky Way Galaxy

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Chapter 26 Solutions: Galaxies

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Chapter 27 Solutions: Active Galaxies, etc.

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Chapter 28 Solutions: Evolution and Distribution of Galaxies

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