Across
- 2. A man made object placed into the orbit of another planet
- 4. The study of the things in the universe e.g. stars, planets
- 7. The third closest planet to the Sun
- 8. A non-contact force that attracts things to the centre of Earth and other planets
Down
- 1. Move in a circular orbit
- 3. The study celestial bodies having an impact on us and our actions
- 5. Move or to cause to move an object in a circle
- 6. The repeated path a planet or spacecraft takes