human
What are the most common questions about astronomy?
assistant
1. What is the origin of the universe?
2. How did the universe begin?
3. What is the composition of the universe?
4. How old is the universe?
5. How did life originate on Earth?
6. Are there other planets like Earth?
7. What is the distance to the stars?
8. How do we know that dark matter exists?
9. Is there intelligent life out there?