Across
- 3. A non-contact force that pulls objects down
- 7. The amount of matter inside an object
- 8. Consist of gas and dust that make the Solar System
- 9. The theory states Sun as the centre of the Solar System
- 10. The centre of the solar system
Down
- 1. Mass affected by gravity
- 2. The movement of Earth around the Sun
- 4. The movement of the Earth through its axis
- 5. Large space object that revolves around the sun
- 6. eclipse that happens during the night
