Everyone loves pictures of space. But have you ever wondered if that’s what they really look like? Or if the colors are real? For over twenty years astronomer Dr. Travis A. Rector has been making color astronomical images with some of the world’s largest telescopes. Dr. Rector will give a ...
Where: San FranciscoCost: $15 General, $12 Members and Seniors
The problem of the unknowable future is matched by the problem of the unchangeable past. Both are solved by the dream of time travel. The peculiarities and paradoxes of time travel are explored in imaginative detail in science fiction, even though it doesn’t exist, or maybe especially because it doesn’t ...
Where: San FranciscoCost: $15 General, Free for members
