Across
- 3. The large mass of gas at the center of our solar system
- 4. the amount of matter something has
- 5. How far away something is from another
- 7. Our Earth's natural satellite
- 8. The amount of energy being transferred from object to object
- 10. The act of a celestial object circling another object due to inertia and gravity
Down
- 1. The force that keeps everything together
- 2. A pioneer in the science field who supposedly discovered gravity after having an apple fall on his head
- 6. The large shield of gas that surrounds our solar system
- 9. How hard something is being pulled by gravity depending on mass