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Astronomy, principles and practice /

University astronomy /

The ABC s of astronomy : an illustrated dictionary /

The universe and its structure /

Exploring the universe /

The Hamlyn guide to astronomy /

Astronomy /

The restless universe : an introduction to astronomy /

Astronomy /

Introductory astronomy /

Contemporary astronomy /

Modern astronomy/

Journey through the universe : an introduction to astronomy /

A concise encyclopedia of astronomy /

Radio astronomy /

Introducing astronomy /

Practical astronomy /

A dictionary of astronomy /

A short history of astronomy /

Advances in astronomy and astrophysics /

The Mitchell Beazley new concise atlas of the universe /

Astronomy /

Astronomy, principles and practice /

A short history of astronomy /

Astronomy /

The restless universe : an introduction to astronomy /

Our changing universe /

The universe and its structure /

A dictionary of astronomy /

Astronomy, structure of the universe /

Advances in earth science; contributions /

Architecture of the universe /

Astronomica /

Exploring the universe /

The ABC s of astronomy : an illustrated dictionary /

A concise encyclopedia of astronomy /

Introductory astronomy /

Intelligent life in the universe /

The Hamlyn guide to astronomy /

The Seth MacFarlane collection of the Carl Sagan and Ann Druyan archive,

Astronomy, structure of the universe /

Astronomy, principles and practice /

Astronomy, structure of the universe /