Solar System
Across
- 2. Known as the "red planet"
- 4. The plantet closest to the sun.
- 5. The main source of light for all the planets.
- 10. Where we live.
- 11. The hottest planet.
- 12. Classed as one of the gas gients.
- 13. a massive, luminous ball of hot gas, primarily hydrogen and helium, that shines due to nuclear fusion in its core
Down
- 1. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
- 3. Has rings around it.
- 6. has been expanding since its creation in the Big Bang about 13 billion years ago.
- 7. The largest planet in our Solar System.
- 8. The seventh planet from the sun.
- 9. It orbits around us.
- 14. A physical expance beoynd Earth.