Across
- 6. Bright spot in the sky
- 7. Located outside our solar system
- 8. The earth's natural satellite, visible by reflected sunlight
- 9. All that exists
Down
- 1. A region of spacetime where gravity is so strong that nothing can escape from it
- 2. It is known as the red planet
- 3. Person travelling in space
- 4. Used to travel in space
- 5. Assembly of stars, gas and dust
- 7. The only planet that supports life