Across
- 3. A giant dust cloud that created the Sun.
- 5. measure of a gravitational pull on an object.
- 7. Is measured by how much matter an object has
- 9. The planet we live on.
Down
- 1. The celestial object that orbits the Earth.
- 2. The Earth was formed, built by __ and gravity.
- 4. There are _____ planets in our solar system
- 6. The force that pulls objects toward each other
- 8. Our Solar system is held by the ___'s gravity.