Brit a nnic a LEARNING LIBRARY Exploring Space Journey through the solar system and beyond CHICAGO LONDON NEW DELHI PARIS SEOUL SYDNEY TAIPEI TOKYO
N A S A J P L C a l t e c h
Exploring Space TABLE OF CONTENTS INTRODUCTION 3 ASTRONOMY Studying the Stars 6 UNIVERSE Infinite Space 8 Gravity The Invisible Magnet 10 Galaxies Star Clusters 12 Stars Distant Fire 14 Planets Wanderers in the Sky 16 Asteroids Minor Planets 18 Comets Rocketing Masses with Fuzzy Tails 20 SOLAR SYSTEM Family of the Sun 22 Mercury The Planet Nearest to the Sun 24 Venus A Morning and Evening Star 26 Moon A Trip to the Moon 28 Mars The Red Planet 30 Jupiter King of the Planets 32 Saturn The Ringed Planet 34 Uranus King George’s Star 36 Neptune The Eighth Planet 38 Pluto The Dwarf Planet 40 BIOGRAPHIES Aryabhata Ancient Mathematician-Astronomer 42 Nicolaus Copernicus Student of the Sky 44 Johannes Kepler Stargazer 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 62 INDEX 63 Brit a nnic a LEARNING LIBRARY
