Across
- 2. the act or process of moving or turning around a central point
- 3. our sun and the planets that move around it
- 7. a group of stars that forms a particular shape in the sky and has been named
- 8. the imaginary straight line that something (such as the Earth) turns around on
Down
- 1. the natural force that causes physical things to move towards each other.
- 4. the curved path of something such as a moon or a satellite follows as it goes around something else (planet)
- 5. the action of moving around something in a path that is similar to a circle
- 6. all of space and everything in it, including stars, planets, and galaxies.