Why will astronauts' footprints stay on the moon forever? What is the furthest distance an artificial object lies in space? How can you help search for intelligent life on other planets? For thousands of years, humans have looked into the darkness of space and dreamed of exploring worlds beyond their own. 'Outer Space' investigates the frontiers beyond Earth: from the discovery of the planets in our solar system, through the first moon landing, to the probes that are now traveling into deep space.
The Solar System 4 Frontiers Beyond the Sky 6 Voyages of Discovery 8 Final Frontiers 16 Not an Easy Ride 20 Face to Face with Space 24 Pushing Against Frontiers 30 Life on Other Planets 34 Whose Universe Is It? 38 Facts and Statistics 42 Further Resources 44 Glossary 45 Index 48