Galaxies and the Universe.
Series: World Book's solar system & space exploration library
Publisher: World Book
Published: 2006
Place of publication: Chicago
Language: eng
Subjects: Galaxies -- Juvenile literature.; Astronomy -- Juvenile literature.
Genres: Juvenile literature.
Notes: Includes bibliographical references and index.
Table of contents: title: What is a galaxy?; title: What are galaxies made of?; title: What galaxy are we in?; title: What is the shape of the Milky Way Galaxy?; title: How big is the Milky Way?; title: Where is our solar system in the Milky Way?; title: How did our solar system form in the Milky Way?; title: What is the Milky Way's neighborhood like?; title: How did galaxies form?; title: Does the Milky Way rotate?; title: What are some other types of galaxies?; title: Can galaxies run into each other?; title: What is special about the Milky Way?; title: What is the Universe?; title: How old is the Universe?; title: What was the Big Bang?; title: How did scientists discover the Universe is expanding?; title: Is the Universe still expanding?; title: Why does it matter if the Universe is expanding?; title: How have we learned so much about the Universe?; title: How much of the Universe can we see?; title: What kinds of instruments do astronomers use?; title: What is dark matter?; title: What are black holes?; title: What are star clusters?; title: What are pulsars?; title: Could life exist elsewhere in the Universe?; title: How will the Universe end?; title: Fun facts about the Universe!