Across
- 2. Moves around the earth, can be easily seen in the night sky, sometimes looks like a banana.
- 6. Someone trained to be a crew member of a spacecraft.
- 7. Only place in the universe where life is known to exist.
- 8. Huge bright ball of burning gases, sometimes you can see the shooting through the night sky.
Down
- 1. There are eight of these in the solar system.
- 2. Known as the 'Red Planet', is the fourth planet from the Sun. It is dusty and has a rocky surface.
- 3. The physical universe beyond the earth's atmosphere.
- 4. Second largest planet and has an impressive system of rings around it.
- 5. Transport which takes people to space and has landed on the moon.
- 8. Biggest star in the solar system. Burns brightly and is huge compared to Earth.