Across
- 3. What is in the center of are solar system today
- 5. What is the thing we use to look into space
- 8. Who made it to space first
- 9. What was the first idea of our solar system
Down
- 1. What is it called when a planet circles another
- 2. What do we call people that go to space
- 4. What is the 4 outer planets made of
- 6. what was the 9th planet
- 7. Who was the first person to land on the moon
- 10. What planet use to be in the center of our solar system