Across
- 3. ship of space
- 5. A region of space where nothing, including light, cannot escape.
- 6. walk
- 8. ball of flame
Down
- 1. 4th planet from the sun, named for the god of war.
- 2. A celestial object made of dirt and ice, that gains a "tail" when it nears the sun.
- 4. TV series premiering in the 1960s.
- 7. Someone meant to be sacrificed