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Universe\n\nGareth Stevens PublishingMilwaukee  \nThe reproduction rights to all photographs andillustrations in this book are controlled by theindividuals or institutions credited on page 32 andmay not be reproduced without their permission.  \n# Library of Congress Cataloging-in-Publication Data\n\nAsimov.lsooc.1920-  \nSpoce gorboge  \n(lsaac Asimav's Librory of the universel  \nBibliogrophy p.  \nIncludes ndex  \nSummory Exomines the causes.dongers.and effortsto clean up various forms of spoce debris  \n1.Space debris-Juvenile literafure [I Spacedebris]1 Title ll.Series.Asimov.Isoac.1920-lsooc Asmavis Librory of the unrverseTL1489A75   1989363728091988-42894ISBN 1-55532-370-7  \nA Gareth Stevens Children's Books edition  \nEdited,designed,and produced byGareth Stevens,Inc.  \nRiverCenter Building,Suite 2011555 North RiverCenter DriveMilwaukee,Wisconsin 53212,USA  \nText copyright ◎1989 by Nightfall,Inc.  \nEnd matter copyright ◎1989by Gareth Stevens,Inc.Format copyright ◎1989by Gareth Stevens,Inc.  \nFirst published in the United States and Canada in 1989 by Gareth Stevens,Inc.All rights reserved.No part of this book may be reproduced or used in any formor by any means without permission in writing from Gareth Stevens,Inc.  \nCover painting Pat RawlingsProject editor:Mark SachnerDesigner:Laurie ShockResearch editor:Scott EnkPicture research:Matthew GroshekTechnical advisers and consulting editors:Julian Baum and Francis Reddy  \n34567899493929190  \nPrinted in the United States of America  \nCONTENTS  \nEarth's Orbital Junkyard………………………………………………………  \n…………………………………………4  \nTraces on Other Worlds —A Monument or a Mess?.  \n…………………………………………………6  \nFurther Frontiers —Hunks of Junk in the Cosmos…………………………………………………………8  \nTracking the Trash…………………………………………………………………………………………………………………10  \nSpacewalking—Is It Safe?…………………………………………………………………………………………………12  \nSatellites —Debris We Depend On……………………………………………………………………………………14  \nWhat If...?—Skylab and Other Near Misses …………………………………………………………16  \nCosmic Litter—WillIt Last Forever?.  \n………………………………………………………………………………20  \nLearning to Keep Space Clean……………………………………………………………………………………………22  \nBeyond the Solar System  \n……………………………………………………………………………………………………………24  \nAnd Finally…………………………………………………………………………………………………………………………………26  \nFact File…………………………………  \n………………………………………………………………28  \nMore Books About Space Garbage…………  \n…………………………………………………30  \nPlaces to Visit………………………………  \n………………………………………………………………………30  \nFor More Information About Space Garbage……………………………………………………………………30  \nGlossary………………………………………………………………………………………………………………………………………………………31  \nIndex…………………………………………………………………………………………………………………………………………………………………32  \nNowadays,we have seen all he known planets up close except for distant  \nPluto. We have seen dead volcanoes on Mars and live ones on Io, one of  \nJupiter's moons. We have studied Triton, the moon of far-off Neptune. We  \nhave detected strange objects no one knew anything about till recently:  \nquasars,pulsars,black holes. We have studied stars not only by light, but by  \nother kinds of radiation: infrared, ultraviolet,x-rays, radio waves. We have  \neven detected tiny particles called neutrinos that are given off by the stars.  \nWe have actually explored our Solar system, especially the part very close  \nto Earth. We have sent many, many rockets into space, most of which  \ncontinue to orbit Earth even after they stop working. The result is that  \nnearby space is filled with space debris —or \"space garbage,\" as some people  \ncall it. In this book, we will take a look at space garbage and consider why  \nit is important.  \nEarth's Orbital Junkyard  \nWe have placed many satellites in orbit about Earth since the late1950s.Most of them are still circling our planet,even if they'reno longer working.At least 80 satellites have broken up intofragments.With time,the fragments break up further.There arenow more than 40,000 pieces of space debris at ","cbCaieywEHSdAs5N","https://ap.wps.com/l/cbCaieywEHSdAs5N","pdf",2217016,"English","# Earth's Orbital Junkyard\n## Traces on Other Worlds —A Monument or a Mess?\n## Further Frontiers —Hunks of Junk in the Cosmos\n## Tracking the Trash\n## Spacewalking—Is It Safe?\n## Satellites —Debris We Depend On\n## What If...?—Skylab and Other Near Misses \n## Cosmic Litter—WillIt Last Forever?\n## Learning to Keep Space Clean\n## Beyond the Solar System\n## And Finally\n## Fact File\n## More Books About Space Garbage\n## Places to Visit\n## For More Information About Space Garbage\n## Glossary\n## Index","[{\"question\":\"What causes the growth of space debris in Earth’s orbit?\",\"answer\":\"Many satellites placed in orbit since the late 1950s continue circling even after they stop working. Over time, satellites break into fragments that further fragment, increasing the total debris.\"},{\"question\":\"How does the book connect space debris to other worlds beyond Earth?\",\"answer\":\"It explains that spacecraft have landed on the Moon and that missions left behind parts and littered sites. It also notes spacecraft activity on Mars and Venus and probes targeting Phobos.\"},{\"question\":\"Why is keeping space clean considered important?\",\"answer\":\"The book frames space garbage as a consequence of exploration and emphasizes that it is steadily increasing. It discusses the causes and dangers and the effort to clean up various forms of space debris.\"}]","ISAAC ASIMOV’S Library of the Universe - Space Garbage | PDF",1790588254,101]