Across
- 4. full, dark shadow of an eclipse
- 5. a group of rocks that orbit the Sun in a band between Mars and Jupiter
- 6. relating to the sky or space
- 8. object in orbit around another larger object
- 10. a ball of ice, dust and rock that orbits the Sun in a highly elliptical
- 12. the large planets of the outer solar system
- 14. the galaxy in which our solar system is located
- 15. one complete orbit around the sun
Down
- 1. model of the universe with its sun at the centre
- 2. a scientist who studies the stars, planets and other celestial objects
- 3. when the Earth blocks sunlight from reaching the Moon
- 7. oval shape
- 9. model of the universe with Earth as its centre
- 11. the time a planet takes to rotate once completely on its own axis
- 13. the time a planet takes to revolve around the sun once