britannica_learning_library_001_-_exploring_spa

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© 2008 encyclopædia britannica, inc. exploring space journey through the solar system and beyond chicago london new delhi paris seoul sydney taipei tokyo learning l i b r a r y br itannica ® © 2008 by encyclopædia britannica, inc. cover photo (front and back): nasa; cover insert photo: © myron jay dorf/corbis international standard book number: 978-1-59339-502-5 no part of this work may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. britannica learning library: exploring space 2008 britannica.com may be accessed on the internet at http://www.britannica.com. (trademark reg. u.s. pat. off.) printed in u.s.a. project team judith west, editorial project manager christopher eaton, editor and educational consultant kathryn harper, u.k. editorial consultant marilyn l. barton, senior production coordinator editors theodore pappas anthony l. green mary …
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hristine mccabe thomas spanos media asset management jeannine deubel kimberly l. cleary kurt heintz quanah humphreys copy sylvia wallace jennifer f. gierat glenn jenne mary kasprzak thad king larry kowalski joan lackowski dawn mchugh julian ronning chrystal schmit sarah waterman information management/ indexing carmen-maria hetrea edward paul moragne marco sampaolo sheila vasich mansur g. abdullah keith deweese catherine keich stephen seddon editorial technologies steven bosco gavin chiu bruce walters mark wiechec composition technology mel stagner manufacturing dennis flaherty kim gerber international business leah mansoor isabella saccà encyclopædia britannica, inc. jacob e. safra, chairman of the board jorge aguilar-cauz, president michael ross, senior vice president, corporate development dale h. hoiberg, senior vice president and editor marsha mackenzie, managing editor and director of production http://www.britannica.com to help you on your journey, we’ve provided the following guideposts in exploring space: ■ subject tabs—the colored box in the upper corner of each right-hand page …
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nswers to these questions and many more. through pictures, articles, and fun facts, you’ll travel across time, visit outer space, meet fascinating people, and investigate strange and wonderful things. i n t r o d u c t i o n what do stars really look like? could you live on venus? are aliens waiting for us in outer space? what did astronomers study hundreds of years ago? learning l i b r a r y br itannica ® have a great trip! exploring space © 2008 encyclopædia britannica, inc. © n a s a /jp l/c altech © 2008 encyclopædia britannica, inc. exploring space table of contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 astronomy: studying the stars . . . . . . . …
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46 sir isaac newton: an apple, an idea . . . . . . . . . . . . 48 albert einstein: a brilliant wonderer . . . . . . . . . . . . 50 subrahmanyan chandrasekhar: discovering how stars grow. . . . . . . . . . . . . . . . . 52 sally ride: first american woman in space . . . . . . 54 spacecraft: exploring the new frontier . . . . . . . . . . . . 56 astronauts: going up in space. . . . . . . . . . . . . . . . . 58 extraterrestrial life: life beyond the earth . . . . . . . 60 glossary . . . . . . . . . . . . . . . . . . . …
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to be seen in detail. some telescopes are small enough to be held in the hand. others are as big as a school bus! learn more! read these articles… copernicus • solar system • universe answer: they study all of these except for astronauts. ★ did you know? sunlight takes about eight minutes to travel the 93 million miles from the sun to the earth. 7 © 2008 encyclopædia britannica, inc. the universe is a vast expanse of space that contains all matter and energy, from the smallest particle to the biggest galaxy. it contains all the planets, the sun, stars, asteroids, our milky way galaxy, and all the other galaxies too. no one knows how big the universe is. astronomers believe that it is still growing outward in every direction. how did it all begin? no one knows that for sure either. most scientists believe that at first everything …

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© 2008 encyclopædia britannica, inc. exploring space journey through the solar system and beyond chicago london new delhi paris seoul sydney taipei tokyo learning l i b r a r y br itannica ® © 2008 by encyclopædia britannica, inc. cover photo (front and back): nasa; cover insert photo: © myron jay dorf/corbis international standard book number: 978-1-59339-502-5 no part of this work may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. britannica learning library: exploring space 2008 britannica.com may be accessed on the internet at http://www.britannica.com. (trademark reg. u.s. pat. off.) printed in u.s.a. project …

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