Human: I'm a bit of an expert in astrophysics. I'd like to know what the most important astrophysics questions are? Assistant: 
The most important astrophysics questions are about understanding the structure and evolution of stars, galaxies, and the universe as a whole. These include topics such as how stars form, why they burn so brightly, and how planets form and evolve. Other important questions involve the search for dark matter and dark energy, the nature of black holes, and the origin of cosmic rays.