Across
- 3. What holds our solar system together?
- 4. What are the 4 terrestrial planets called?
- 7. what is the approximate size of the ISS?
- 8. What keeps us standing on Earth?
- 9. What does the moon do around the Earth?
- 10. What period is this (math,reading,science,or SS?)
- 12. How many planets have no moons?
- 13. how many planets are there in the solar system?
- 15. A huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
Down
- 1. What is the reflected light from the sun to the moon called?
- 2. What are the 4 gas giants called?
- 5. Known for it's rings.
- 6. What are planets made of rock called?
- 11. What is the closest planet to the sun?
- 14. Known as the "red" planet.