Across
- 2. the planet farthest from the sun
- 5. it is our sun and all object that are gravitationally travels around it
- 9. the coldest planet in the solar system
- 10. the planet with the nickname 'red planet'
- 11. the brightest planet in solar system
- 12. a regular, repeating path that one object in space takes around another one.
- 14. a moon, planet or machine that orbits a planet or star.
Down
- 1. a very large ball of bright glowing hot matter in space.
- 3. a dwarf planet in solar system
- 4. an astronomical body orbiting Earth and is the planet's only natural satellite.
- 6. a person who is trained to travel in a spacecraft.
- 7. the planet closest to the sun in the solar system
- 8. the largest planet in solar system
- 13. the sixth planet from the sun in the solar system
- 15. the only known planet to support life