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WELCOME TO THE UNIVERSE: An Astrophysical Tour
Copyright ® 2016 by Neil deGrasse Tyson, Michael A.Strauss, and J.Richard Gott
All rights reserved. No part of this book may be reproduced or transmitted 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.