1 The Sun is a star
2 If aliens sent us a postcard...
3 Numbering the stars
4 How stars glow
5 Not all astronauts were HUMAN...
6 How rain falls on other planets
7 There's a snowman in space
8 Dirty snowballs with long tails
9 Snowball fireworks
10 A story of looking and learning
11 When is a planet not a planet?
12 Going up!
13 It's oh so quiet up here...
14 Everyday life in outer space
15 How to use a space toilet
16 From another star system far, far away...
17 Don't take a spaceship to Jupiter
18 The planets that are mushy on the inside
19 Baby stars make baby planets...
20 ...and baby stars eat baby planets
21 Who did it first?
22 What a MESS!
23 Swerve!
24 How many people does it take to land on the Moon?
25 Keeping space germ-free
26 The universe awards
27 The Sun's light is a wavy rainbow
28 Sunsets on Mars
29 There's a travel network in our solar system...
30 Planet hunters
31 Ocean worlds
32 The secret behind a moon's wobble
33 Robot space adventurers
34 How to garden on the Moon
35 Measuring the universe
36 Light-distant chatting
37 Moon trees
38 Colds are even worse in space
39 Set sail for the stars!
40 Our galaxy is bubbly
41 Telescope time machine
42 When a star stops shining...
43 When a star becomes a hole...
44 Space words
45 Index