| Foreword | p. xi |
| Foreword | p. xv |
| Preface | p. xix |
| Space today | p. 1 |
| A dramatic beginning | p. 1 |
| Unfulfilled promises | p. 4 |
| Crisis of growth? | p. 8 |
| Commercial activities | p. 26 |
| Scientific activities | p. 36 |
| Military applications | p. 50 |
| Space and the developing countries | p. 57 |
| Robots or humans in space | p. 60 |
| The gateway to space | p. 68 |
| The two cosmic velocities | p. 68 |
| Rocket propulsion | p. 71 |
| Beyond the Space Shuttle | p. 75 |
| Non-reusable rockets | p. 87 |
| Spaceports | p. 91 |
| Guns, skyhooks and space fountains | p. 92 |
| Cities and factories in space? | p. 104 |
| Orbital labs and earlier space stations | p. 104 |
| The International Space Station | p. 110 |
| Effects of microgravity on the human body | p. 115 |
| Radiation and space debris | p. 118 |
| Space habitats | p. 121 |
| Energy generation in space | p. 128 |
| Orbital power stations | p. 133 |
| Light from space | p. 136 |
| Robots in the Solar System | p. 138 |
| Large interplanetary spacecraft | p. 138 |
| Low-cost space probes | p. 142 |
| Propulsion in deep space | p. 145 |
| Is there life on Mars? | p. 159 |
| New robotic planetary probes | p. 166 |
| Exploration of comets and asteroids | p. 172 |
| The Kuiper belt and the heliopause | p. 179 |
| The focal line of the Sun's gravitational lens | p. 182 |
| Back to the Moon | p. 184 |
| Should we return to the Moon or go straight to Mars? | p. 184 |
| The rationale for scientific missions on the Moon | p. 188 |
| Lunar outposts | p. 196 |
| Permanent bases | p. 199 |
| Private lunar bases? | p. 207 |
| Lunar power stations | p. 209 |
| Mars, the red planet | p. 211 |
| Dreams and projects | p. 211 |
| The 'Mars Outposts' approach | p. 216 |
| Mission planning | p. 223 |
| The first human beings on Mars | p. 227 |
| The beginning of colonisation | p. 233 |
| A planet to be terraformed | p. 239 |
| Exploitation of the solar system | p. 256 |
| The inner planets: Mercury and Venus | p. 256 |
| Mining bases in space: the asteroids | p. 262 |
| Energy from the giant gas planets | p. 264 |
| The frontier of the solar system | p. 267 |
| Beyond the pillars of Hercules | p. 270 |
| Huge distances, yet insufficient speed | p. 270 |
| Theoretical and practical impossibilities | p. 275 |
| Interstellar propulsion | p. 277 |
| Precursor missions | p. 284 |
| Millions of planets | p. 286 |
| The first, probable probes | p. 296 |
| Von Neumann probes | p. 297 |
| Panspermia | p. 299 |
| Humans beyond the solar system | p. 302 |
| Relativistic speeds and human expansion into our galaxy | p. 305 |
| Virtual travellers | p. 310 |
| Other lives, other civilisations | p. 313 |
| Life in the Universe | p. 313 |
| Search for extraterrestrial intelligence | p. 318 |
| The Drake equation | p. 323 |
| Cosmic ambassadors | p. 327 |
| Intelligent lifeforms | p. 332 |
| ET or Alien? | p. 334 |
| Humanoid characteristics | p. 337 |
| ET or Alien again | p. 343 |
| Towards a galactic civilisation | p. 345 |
| Breaking the speed limit | p. 345 |
| A global village on a galactic scale? | p. 352 |
| Millions of human species | p. 353 |
| So let's go! | p. 354 |
| Distances in the solar system and beyond | p. 360 |
| The basics of astrodynamics | p. 363 |
| Motion of projectiles in a gravitational field | p. 363 |
| Keplerian trajectories | p. 364 |
| Perturbations to Keplerian trajectories | p. 368 |
| Speed increments | p. 369 |
| Lagrange points | p. 371 |
| Non-linear astrodynamics | p. 373 |
| Relativistic astrodynamics | p. 375 |
| The basics of space propulsion | p. 377 |
| Rocket propulsion | p. 377 |
| Nuclear rockets | p. 381 |
| Electric propulsion | p. 383 |
| Future propulsion technologies | p. 386 |
| Common acronyms | p. 388 |
| Index | p. 393 |
| Table of Contents provided by Ingram. All Rights Reserved. |