Across
- 3. smallest planet
- 4. hottest star in our solar system
- 6. named after zeus
- 7. its a galaxy
- 8. god the sky
- 10. when a star explodes
Down
- 1. black and its like a vacuum
- 2. coldest star
- 5. god of the sea
- 7. earths tide controller
- 9. formed by hydrogen and helium