Across
- 2. a star in our solar system
- 4. a large, icy object that orbits around the sun
- 7. a giant ball of gas that shines in the sky
- 8. a spacecraft that carries astronauts to space
- 9. the fourth planet from the sun
Down
- 1. the fifth planet from the sun
- 3. a system of uncountable stars, mixed with gas and dust
- 5. the brightest object in the night sky
- 6. a small Rocky object that orbits around the sun