Across
- 3. A planet used to be regarded as the ninth planet of the solar system
- 5. A person who travels in a spacecraft into outer space
- 6. The large round object that circles the Earth
- 7. We live on this planet
- 8. A central star of our solar system
- 9. Way Our galaxy made up of millions of solar systems
Down
- 1. A circular or elliptical path in space
- 2. A large ball of burning gas in space
- 3. A large object orbiting the Sun
- 4. A vehicle used for space travel