The Stuff Between the Stars: How Vera Rubin Discovered Most of the Universe

'Vera Rubin was one of the astronomers who discovered and named dark matter, the thing that keeps the universe hanging together. Throughout her career she was never taken seriously as a scientist because she was one of the only female astronomers at that time, but she didn't let that stop her. She made groundbreaking and ... significant discoveries that scientists have only recently been able to really appreciate--and she changed the way that we look at the universe'