This is what I'm most known for. My Ph.D. in astrophysics means that, when necessary, I have the knowledge to make my work scientifically accurate. But that doesn't mean boring... :-)
Asteroid Collision
Black Hole
Multiverse
Primordial Earth
Surface of Mercury
Interior of Mars
Spiral Galaxy Seen From Planet
Brown Dwarf
Low-Mass X-Ray Binary
Barred Spiral Galaxy
Planet of Alpha Centauri
Mars Opportunity
Beneath the Ice of Europa