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Stille, Darlene R.

Observatories on Earth / [writer: Darlene Stille]. - Chicago : World Book, ©2010. - 64 pages; illustrations (chiefly color), color maps; 27 cm. - Explore the universe. .

Includes bibliographical references (page 62) and index.

How did ancient people use observatories? -- Focus on: ancient observatories -- Focus on: Chichén Itzá: architecture and the gods -- How do modern observatories differ from ancient observatories? -- Why are many observatories round with a dome? -- Why are many observatories on mountains? -- What kinds of telescopes are used in observatories? -- How far out in space and back in time can telescopes see? -- What do astronomers study using ground-based observatories? -- What is an optical telescope? -- Focus on: Keck Observatory: at the edge of the heavens -- What are magnification and resolving power? -- Who invented the first optical telescopes? -- Focus on: new moons, new wonders -- How does a refracting telescope work? -- Focus on: the pursuit of light -- Who invented the first reflecting telescope? -- How does a reflecting telescope work? -- How does a reflecting-refracting telescope work? -- How do telescopes make images? -- How do astronomers use computers to create astronomical images? -- Why are there different types of telescope mirrors? -- What is light pollution? -- What have ground-based observatories taught us about the solar system? -- What have ground-based observatories taught us about the larger universe? -- Focus on: Kitt Peak Observatory: an astronomical oasis -- What does the future hold for ground-based observatories?

"An introduction to observatories on Earth with information about their history and use. Includes diagrams, fun facts, glossary, resource list, and index"--Provided by publisher.

ISBN: 9780716695530 0716695537

LCCN: 2009042608

Subjects--Topical Terms:
Astronomical observatories--Juvenile literature.
Telescopes--Juvenile literature.

Index Terms--Genre/Form:
Juvenile works.

LC Class. No.: QB81 / .O2665 2010

Dewey Class. No.: 522/.1