Across
- 2. A line around which any body or object rotates.
- 4. Earth's only natural satellite.
- 6. A circular movement of an object around a centre or point of rotation.
Down
- 1. The star at the centre of the Solar System.
- 3. A massive, bright sphere of plasma held together by its own gravity
- 5. The path of an object around a particular point in space.