Across
- 2. Who tried to measure the speed of light?
- 4. what is the farthest planet to Earth?
- 6. What is the smallest planet in our solar system?
- 8. What is the coldest planet in our solar system?
- 10. What are the patterns in the night sky called?
Down
- 1. What is the warmest planet in our solar system?
- 3. What changes based on the amount of gravity being forced?
- 5. How do scientists measure the distance of stars?
- 7. what is the biggest planet in our solar system?
- 9. What causes the moon to light up?