Across
- 2. a place in space where there is no matter or in which the pressure is so low no particles are effected
- 5. a small icy solar system body
- 8. a group of stars that forms an imaginary outline or pattern
- 10. a star in centre of the solar system.
- 11. a planet with life
Down
- 1. the sixth planet away from the sun. The second largest in the solar system.
- 3. a minor planet in the inner solar system. sometimes called planetoids
- 4. astronomical body that orbits a certain planet.
- 5. constellation- a constellation lying on the milky way. it is Latin for swan.
- 6. system- a collection of 8 planets and moons
- 7. an artificial object that has been internationally placed into orbit.
- 9. a fixed luminous point in the night sky