Across
- 4. Anything that orbits a planet
- 5. The shape of a planets orbit around the sun
- 7. A satellite not made by humans
- 9. A small up of rock orbiting the sun
- 10. All the galaxies and the space between them
- 12. a spacecraft designed to go into orbit around a moon or planet
- 13. Unit of force
- 16. a rocky body orbiting the sun that is not big enough to be a planet
- 17. space vehicle that can take soil samples from another planet or moon
- 19. an orbit where a satellite passes over the North/South Poles
- 20. A bunch of stars grouped together
Down
- 1. when the moon moves into the shadow of the earth
- 2. the amount of matter something is made of
- 3. A satellite used to transmit TV or telephone calls
- 6. a large object orbiting around a star
- 8. An instrument designed to make distant objects appear nearer
- 11. a natural satellite of a planet
- 14. A ball of gas that gives off heat and light energy
- 15. an unmanned spacecraft that has cameras to find out about other planets
- 18. Force that attracts a body towards the centre of the earth