Across
- 1. Theory of how the universe began
- 4. Gives light and heat to space objects that orbit around it
- 5. Gravity ____ objects toward each other
- 8. ___ ___ ___ was drawn together by gravity to form the solar system
- 9. Where everything exists.
- 11. Planets ___ around the Sun due to the Sun´s gravity
- 12. Governs the solar system
- 13. Gravity is affected by what two factors.
Down
- 2. The greater the mass, the ____ the gravity
- 3. Gravitational attraction of the Sun is responsible for the ___ ___ of the planets
- 6. What is responsible for planet and star formation (giving them their round shape)
- 7. The further the distance, the _____ the gravity
- 10. If gravity disappeared, planets would stop orbiting and shoot off in a ___ line.