Across
- 1. A celestial object consisting of nucleus of ice and dust
- 3. A spot or patch that appears from time to time on the sun's surface appearing dark by contrast with it's surroundings
- 4. A fixed point in the night sky
- 7. The collection of planets
- 9. A small rocky body orbiting the Sun
- 11. The natural satellite of Earth
- 12. A unit of astronomical distance
- 13. A celestial body in orbit of the sun
Down
- 2. A small body of matter from Outer Space
- 4. An artificial body placed in orbit round planets for information or communication
- 5. A system of millions or billions of stars
- 6. A peice of rock or metal from Outer space that has fallen to the Earth's surface
- 8. A massive star
- 10. The curved path of a celestial object