Did You Know? Space: Amazing Answers to More Than 200 Awesome Questions!

4 Contents......Page 6
The universe......Page 9
8–9 What is space?......Page 10
10–11 Where does space begin?......Page 13
12–13 Where did the universe come from?......Page 14
14–15 How big is the universe?......Page 16
16–17 How cold is it in space?......Page 18
18–19 What is an orbit?......Page 20
20–21 Can you scream in space?......Page 22
The solar system......Page 25
24–25 What is the solar system?......Page 26
26–27 What are planets made of?......Page 28
28–29 Why is there life on Earth?......Page 30
30–31 Why is Jupiter striped?......Page 32
32–33 Is there life on Mars?......Page 34
34–35 What are Saturn’s rings made of?......Page 37
36–37 Is Pluto a planet?......Page 38
38–39 How hot is the sun?......Page 40
40–41 Why does the moon change its shape?......Page 42
42–43 Can it be dark in the daytime?......Page 44
44–45 Do other planets have moons?......Page 46
46–47 What would happen if a meteor hit the Earth?......Page 48
48–49 What is a shooting star?......Page 50
50–51 Why do comets have tails?......Page 52
52–53 What is the asteroid belt?......Page 54
54–55 Can you see the Earth from other planets?......Page 56
56–57 What are auroras?......Page 58
58–59 Could you live on Venus?......Page 60
Deep space......Page 63
62–63 How many stars are there in the universe?......Page 64
64–65 Where do stars come from?......Page 66
66–67 Are all stars the same?......Page 68
68–69 What is a light-year?......Page 70
70–71 What is a black hole?......Page 72
72–73 What happens when stars die?......Page 74
74–75 What shape is the Milky Way?......Page 76
76–77 Why do stars twinkle?......Page 78
78–79 Are there any planets outside our solar system?......Page 80
80–81 What shines the brightest in the universe?......Page 82
Space exploration......Page 85
84–85 How do we look into space?......Page 86
86–87 Who were the first space explorers?......Page 88
88–89 Have animals been to space?......Page 90
90–91 What was the Space Race?......Page 92
92–93 How many people have been to the moon?......Page 94
94–95 How are rockets launched?......Page 96
96–97 How long does it take to get to the moon?......Page 98
98–99 How do astronauts train for space?......Page 100
100–101 Why do astronauts need space suits?......Page 102
102–103 What was the Space Shuttle?......Page 104
104–105 How do astronauts return to Earth?......Page 106
106–107 Where do astronauts live in space?......Page 108
108–109 Why do astronauts float in space?......Page 110
110–111 What do astronauts eat in space?......Page 112
112–113 What is mission control?......Page 114
114–115 What happens when things go wrong in space?......Page 116
116–117 Have we been to Mars?......Page 118
118–119 Why do we put satellites in space?......Page 120
120–121 How far have we traveled in space?......Page 122
122–123 What is space junk?......Page 124
124–125 Is there anyone else out there?......Page 126
126–127 What is space mining?......Page 128
128–129 Can you go on vacation to space?......Page 130
130–131 Will we go back to the moon?......Page 132
132–133 Answers......Page 134
134–137 Quiz your friends!......Page 136
138–139 Glossary......Page 140
140–143 Index......Page 142
144 Acknowledgments......Page 146