This engaging picture book biography shows how pioneering astronomer Vera Rubin, who discovered evidence for the existence of dark matter, the most mysterious substance in the universe, changed people's understanding of both the universe and what a woman can do.

"In a beautifully written, science-packed debut memoir, Egyptian-American astrophysicist Sarafina El-Badry Nance shares her personal story of resilience and liberation by grounding herself in her lifelong love of the stars. As a child, Sarafina El-Badry Nance spent nearly every evening with her father gazing up at the flickering stars and pondering what secrets the night sky held. She dreamt of becoming an astronomer from the age of five, but it wasn't...