Henrietta Leavitt was born in Cambridge ... This group studied photo images of stars to determine their magnitude. During her career, Leavitt discovered more than 2,400 variable stars, about ...

Henrietta Leavitt joined the Harvard ... She worked there for the rest of her life. Leavitt discovered 2,400 variable stars, about half of the known total in her day. Through these discoveries ...

Set in the early 1900s, “Silent Sky” by Lauren Gunderson tells the remarkable true story of Henrietta Leavitt, a brilliant astronomer. Working at the Harvard Observatory, Henrietta’s ...