Cosmic and Culinary Words

Across

2. Dimensional area within a larger space

7. Pasta shape often served with cheese

8. Expression of dissatisfaction or grievance

9. Firm and refusing to give in

Down

1. Highest point reached in the sky

3. Required by rule or command

4. Tropical fruit with spiky skin

5. Resident of the Red Planet

6. Unconscious state after severe injury