Across
- 4. twinkles in the night sky
- 5. the layer of gas that surrounds earth beginning with A
- 6. the earth and planets do what around the sun?
- 7. the force that keeps humans to the ground
- 8. something very hot and gives us light during the day
- 9. the largest planet
Down
- 1. makes up all of the planets
- 2. also known as a shooting star
- 3. the planet we live on
- 5. a person who travels in a spacecraft