Across
- 4. the furthest planet from the sun
- 7. no longer a officially considered a planet
- 8. a region of space where gravity is so intense
- 10. closest planet to Earth
- 11. takes approximately 365 days to rotate around the sun
- 12. a body in space which orbits another body
- 15. In which all matter and space exist
- 17. contains the eight planets along with other bodies
- 20. a ball of ice,rock & dust orbiting the Sun.
- 21. known as the "Red Planet"
Down
- 1. a star which the Earth orbits
- 2. a death of a star
- 3. a cloud of gas and dust.
- 5. the process of creating light in a Star
- 6. the largest planet
- 9. a body in the Solar System orbiting the Sun ranging in size.
- 13. a piece of rock found between Mars & Jupiter.
- 14. coldest planet in the solar system
- 16. a system of billions of stars held by gravitational attraction
- 18. famous for its rings
- 19. closest planet to the sun