Space Invaders

CHAPTER 1: INTRODUCTION 1 From the Ground Up 3 Rockets and Satellites 4 To the Moon 15 Humans versus Robots 18 CHAPTER 2: A SPACE ROBOT IS BORN 23 Scientific Conception 25 Proving Technology 33 The Political Push 36 Paper Spacecraft 38 It'sJust a Phase I'm Going Through 48 CHAPTER 3: ANATOMY OF A SPACE PROBE 53 Bits and Pieces 55 Power 57 Vll Contents Communication 65 Structures 70 Thermal Control 73 Attitude Control 77 Propulsion 86 Data Handling 89 Mechanisms 93 The Kidnap ofLuna 1 95 CHAPTER 4: BUILDING AND TESTING 97 The Spacecraft Garage 97 Keep it Clean 100 Planetary Protection 102 Shake, Rattle 'n' Roll 108 Shaken, not stirred 110 Canned space 112 Antenna testing 112 Special cases 113 Breaking the software 114 CHAPTER 5: INSTRUMENTS OFS CIENCE 115 The More we Learn, the More we Don't Know 116 Let's get Physical 118 It's All in the Data 121 Many Eyes 122 123 Visible light instruments There is more than meets the eye 126 Messenger's Instruments 129 Roving Around 132 Diving through an Atmosphere 140 142 Primeval soup Going down 142 CHAPTER 6: LAUNCH 149 On the Road 149 Spaceports 150 Preparing for Launch 153 Up and Away 156 Rockets 159 162 Orbits Vlll Contents CHAPTER 7: DISTANT DESTINATIONS 167 To the Moon 170 The first visits 170 Preparing for Apollo 172 Robot rovers 175 Modern missions 176 A new Moon 177 Unromantic Venus 179 Greenhouse nightmare 179 Into the unknown 180 Magellan 186