Across
- 3. There are eight planets in our ___________.
- 8. The Moon continues to _____ the Earth.
- 9. A person who is trained to travel in a spacecraft
- 10. The invisible force that attracts any two objects with mass towards each other
- 11. _______ is the solar system's largest planet
Down
- 1. There are eight of these in our solar system.
- 2. A small, rocky, or metallic object that orbits the Sun
- 4. This is the hot star at the center of our solar system.
- 5. A tubular instrument used for viewing distant objects like ones in space.
- 6. The Earth has 1 of these, while Saturn has 274.
- 7. This planet is referred to as the "Red Planet."
