Earth (21st Century Junior Library: Solar System)

Earth (21st Century Junior Library: Solar System)

Charnan Simon

Language: English

Pages: 28

ISBN: B00H7OVB32

Format: PDF / Kindle (mobi) / ePub


Learn where our home planet fits into the solar system, what it is made of, and why it is the only place we can live.

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The Complete Adventures of Curious George

Jacqueline Wilson Biscuit Barrel: Cliffhanger and Buried Alive!

Beezus and Ramona (Ramona Quimby, Book 1)

Second Form at Malory Towers (Malory Towers, Book 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dreamstime.com; cover and pages 14, 16, 18, 20, ©NASA; page 6, ©Sebastian Kaulitzki/Shutterstock, Inc.; page 10, ©maryo/Shutterstock, Inc. Copyright ©2012 by Cherry Lake Publishing All rights reserved. No part of this book may be reproduced or utilized in any form or by any means without written permission from the publisher. Library of Congress CataLoging-in-PubLiCation Data Simon, Charnan. Earth/by Charnan Simon. p. cm.—(21st junior library) Includes bibliographical references and index.

Dreamstime.com; cover and pages 14, 16, 18, 20, ©NASA; page 6, ©Sebastian Kaulitzki/Shutterstock, Inc.; page 10, ©maryo/Shutterstock, Inc. Copyright ©2012 by Cherry Lake Publishing All rights reserved. No part of this book may be reproduced or utilized in any form or by any means without written permission from the publisher. Library of Congress CataLoging-in-PubLiCation Data Simon, Charnan. Earth/by Charnan Simon. p. cm.—(21st junior library) Includes bibliographical references and index.

Dreamstime.com; cover and pages 14, 16, 18, 20, ©NASA; page 6, ©Sebastian Kaulitzki/Shutterstock, Inc.; page 10, ©maryo/Shutterstock, Inc. Copyright ©2012 by Cherry Lake Publishing All rights reserved. No part of this book may be reproduced or utilized in any form or by any means without written permission from the publisher. Library of Congress CataLoging-in-PubLiCation Data Simon, Charnan. Earth/by Charnan Simon. p. cm.—(21st junior library) Includes bibliographical references and index.

around the sun in a path called an orbit. earth takes 365 days to go around the sun. That’s one year. earth speeds through space at almost 19 miles (31 kilometers) per second. That’s fast! We can’t feel this movement because we’re moving right along with earth. 9 N S earth’s axis is tilted just a little bit. 10 earth moves in another way, too. it spins on its axis. earth’s axis is an imaginary line that runs through the middle of the planet. it goes from the north Pole to the south Pole.

the sun. some planets have many moons. earth has just one. 17 neil armstrong and buzz aldrin were the first astronauts to walk on the Moon. 18 The Moon is our closest neighbor in space. it is also the only place in space that people have visited. astronauts first landed on the Moon on July 20, 1969. scientists are still studying the moon rocks and soil that the astronauts brought back. 19 The hubble space Telescope helps scientists see far off into the universe. 20 scientists use

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