<human>: What are the most common questions about astronomy?
<bot>: 
1. What is the distance to the Andromeda Galaxy?
2. What is the name of the constellation Orion?
3. How many stars are in the Milky Way galaxy?
4. What is the difference between a planet and a star?
5. What is the closest star to Earth?
6. What is the diameter of the Sun?
7. What is the temperature of the Sun’s corona?
8. What is the mass of the Sun?
9. What is the chemical composition of the Sun?
10. What is the oldest known object in our solar system?