Across
- 3. the force that causes objects with mass to attract to one another
- 6. two objects that have an invisible force of gravity
- 8. A bright star that earth and other planets revolve around its also mainly made up of hydrogen and helium
Down
- 1. A curved path followed by a satellite as it revolves around an object
- 2. A star and a group of planets and celestial bodies that are held together by a gravational atraction
- 4. a celestal body that orbits the earth
- 5. a large celestial body that revolves around a star in a solar system
- 7. Big and small rocks that orbit the sun that have the same material of planets
