star, galaxy, solar system, universe star, solar system, galaxy, universe star, solar system, universe, galaxy star, universe, solar system, galaxy
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following correctly lists the structures in space from smallest to largest?
Possibilities:
- star, galaxy, solar system, universe
- star, solar system, galaxy, universe
- star, solar system, universe, galaxy
- star, universe, solar system, galaxy

star, solar system, galaxy, universe