X-treme Facts: Space Machines

X-treme Facts: Space Machines book cover — Contents Magnificent Space Machines 4 Rockets Rev It Up 6 Flight of the Satellite 8 Mission to the Moon 10 Eat My Moon Dust 12 Roving over Mars 14 Powerful Probes 16 Probing Farther 18 Stations in Space 20 Totally Terrific Telescopes 22 Space Vacation 24 The Future of Space Machines 26 Lunar Lander 28 Glossary 30 Read More 31 Learn More Online 31 Index 32 About the Author 32

X-treme Facts: Space Machines — page 1 — Magnificent Space Machines People have always gazed up at the night sky and marveled at the moon and stars These objects shining in the darkness were once a mystery But when people built machines to explore what they saw in the sky they began to understand the wonders of space From the earliest telescopes to spacecraft that have traveled to other planets magnificent space machines have allowed us to explore our solar system and beyond No one knows who invented the telescope But the famous astronomer Galileo Galilei was the first person to use it to explore space THEY’RE RIGHT BY THE PLANET JUPITER GALILEO I CAN SEE THE STARS BUT WHERE ARE YOUR MOONS I PAVED THE WAY TO GET TO THOSE STARS In 1610 Galileo used a telescope to discover some of Jupiter’s moons Robert Goddard invented the first rocket powered by liquid fuel He launched it in 1926 4

X-treme Facts: Space Machines — page 2 — The first satellite was launched into space in 1957 It was the size of a beach ball OFF TO THE MOON WE GO In 1969 a Saturn V rocket sent the first astronauts to the moon Since 1971 space stations have allowed humans to live and work in space ARE WE THERE YET YOU’RE GETTING CLOSE In 1977 two remote-controlled spacecraft called Voyager 1 and Voyager 2 started their mission to explore Jupiter Saturn and beyond No spacecraft had ever traveled that far 5

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