Across
- 3. The resistance of two objects when moved against each other.
- 4. When one planets goes around another planet one time.
- 6. An artificial body placed in space that orbits around Earth in order to collect information and other bits and pieces.
- 7. The gravitational pull of an object depending on the mass of the object and planet.
- 8. energy Using the energy radiating from the sun to make electricity.
- 9. Made up of different planets which orbit the sun.
- 10. When the Moon passes through Earths shadow.
Down
- 1. A Newton is used to measure weight. Newtons are based on the gravitational pull.
- 2. It depends on the mass of the planet and object.
- 5. The gases surrounding Earth and other planets.