Across
- 3. the shortestday
- 6. third planet from the sun
- 9. lines that run from North to south across the globe
- 11. caused by the tilt of the Earth's axis
- 12. It is a ball made of metals and has a rocky surface
- 13. The season for christmas in Australia
- 14. the longest day
Down
- 1. a group of stars that make an imaginary shape in the night sky
- 2. caused by the Earths rotation
- 4. contains the north star in its constellationm
- 5. any huge gaseous celestial body that is self-luminous and emits radiation from its own internal energy sources
- 7. A instrument used to study planets, stars and the sky.
- 8. The star that points straight to the North
- 10. an objects orbital motion around another object