Across
- 3. a push or pull that acts on an object
- 4. a man-made objct that orbits Earth or other planets to collect information
- 6. between planets
- 9. an unmanned vehicle that drives across the surface of a planet
- 10. everything throughout space
- 11. the study of space and objects in space
- 12. the force of attraction between all objects
Down
- 1. control of a machine by remote control from another place
- 2. a large research laboratory that orbits Earth
- 5. an unmanned spacecraft sent into space to do research
- 7. the study of life in the universe
- 8. a tool that makes faraway objects appear closer