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

This picture-book biography follows astronomer Vera Rubin’s interest in the night sky and the mysteries surrounding it. As she pursued astronomy in college, men often obstructed her participation in the field. Rubin continued to study galaxies and look for patterns in their arrangement. Her work led to the discovery of dark matter, described as making up 80 percent of the known universe.