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Galaxies /

Stille, Darlene R.

Galaxies / [writer: Darlene Stille]. - Chicago : World Book, 2010. - 64 pages; color illustrations; 26 cm. - Explore the universe. .

Includes bibliographical references and index.

What is a galaxy? -- How many galaxies are there? -- Focus on: grouping galaxies -- What is a spiral galaxy? -- What is an elliptical galaxy? -- What is an irregular galaxy? -- Focus on: peculiar galaxies -- Do galaxies usually exist in groups? -- How large are galaxies? -- Which is the most distant galaxy? -- Focus on: the galaxy we live in -- What is the nearest galaxy to ours? -- Do galaxies move around? -- How fast does a galaxy move? -- Do galaxies ever merge? -- Focus on: colossal collisions -- Who discovered that galaxies exist? -- Why does a galaxy glow? -- How do astronomers use light to study galaxies? -- How do astronomers count galaxies? -- When did galaxies start to form? -- How did galaxies form? -- Are new stars forming in galaxies? -- Are galaxies forming now? -- Focus on: gravity: a galactic glue -- Can galaxies die? -- What are some remaining mysteries about galaxies?

"An introduction to galaxies with information about their formation and characteristics. Includes diagrams, fun facts, glossary, resource list, and index"--Provided by publisher.

9780716695493 0716695499

2009042584


Galaxies--Juvenile literature.


Juvenile works.

QB857.3 / .G345 2010

523.1/12
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