Creatively image a question and justification for this answer: outer space

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The question is: The astronauts were trying to figure out how to get to the moon, where did they have to pas through first?
Options:
- night sky
- universe
- atmosphere
- outer space
- air
Step-by-step reasoning process: Any space outside earth is outer space. Moon is present in outer space.
