When we look out into space, we're looking back in time; the light from a galaxy a billion light-years away, for instance, will take a billion years to reach us. It's an amazing thing. The history is there for us to see. It's not mushed up like the geologic record of Earth. You can just see it exactly as it was.

I never had a single female professor throughout my whole education, from the beginning of university to the end. Even all the books were about men; I never really liked reading books about the history of science, and I never really understood why.

I didn't know what kinds of questions to ask in mathematics. In physics, I could see there were things that were known and things that weren't.

Margaret Geller Quotes