1. 4.2 billion years ago
2. 13.7 billion years ago
4. 65 million years ago
3. 700 million years ago
01
1. 4.2 billion years ago
2. 13.7 billion years ago
4. 65 million years ago
3. 700 million years ago
01
1. The Big Burst
2. The Big Bang
4. The Fizzy Pop
3. The Loud Explosion
02
1. The Big Burst
2. The Big Bang
4. The Fizzy Pop
3. The Loud Explosion
02
1. A Galaxy
2. A Cloud
4. A planet
3. A Nebula
03
1. A Galaxy
2. A Cloud
4. A planet
3. A Nebula
03
1. Hydrogen
2. Helium
4. Heavy Elements
3. Lithium
04
1. Hydrogen
2. Helium
4. Heavy Elements
3. Lithium
04
1. Composition
2. Temperature
4. Mass
3. Luminosity
05
1. Composition
2. Temperature
4. Mass
3. Luminosity
05
1. Expanding
2. Contracting
4. Exploring
3. Stays the same size
06
1. Expanding
2. Contracting
4. Exploring
3. Stays the same size
06
1. Sombrero
2. Centaurus A
4. Andromeda
3. Milky Way
07
1. Sombrero
2. Centaurus A
4. Andromeda
3. Milky Way
07
1. Our solar system
2. The universe
4. A galaxy
3. A nebula
08
1. Our solar system
2. The universe
4. A galaxy
3. A nebula
08
1. Galaxy
2. Planetary system
4. Stars
3. Universe
09
1. Galaxy
2. Planetary system
4. Stars
3. Universe
09
1. Spiral
2. Elliptical
4. Irregular
3. Triangular
10
1. Spiral
2. Elliptical
4. Irregular
3. Triangular
10