Take a self-guided tour from quantum to cosmos!
Help us crown the all-time greatest physics equation with a March Madness-style showdown for the ages!
In the late 19th and early 20th century, a team of scholars at the Harvard College Observatory analyzed nearly half a million photographs of the stars. These astronomers discovered the types of stars, created the first modern catalog of stars, and ultimately even discovered what stars are made of. They were all women.