Across
- 2. The name given to the first four planets in the Solar System is the ____ planets.
- 4. The closest planet to the Sun.
- 6. Giants The nickname given to the planets Jupiter, Saturn, Uranus and Neptune.
- 8. The only planet known to have life.
- 10. The largest planet in the Solar System.
- 11. The name of the American agency that explores and researches outer space.
Down
- 1. A solid piece of debris flying through space known as a shooting star.
- 3. The dwarf planet that is no longer a part of the Solar System.
- 4. The planet known as ‘The Red Planet’ that is close to Earth.
- 5. It takes the Earth a full ____ to rotate around the Sun.
- 7. A planet in our Solar System with rings.
- 9. The source of Earth’s light that all planets in the Solar System orbit.