Quote by Henrietta Leavitt
"To make progress in science, one must be willing to revise old theories."
"To make progress in science, one must be willing to revise old theories."
"I have observed a relation between the colors of the stars and their luminosity."
"The study of variable stars has opened a new window to understanding the universe."
"One cannot work in astronomy without patience and meticulous attention to detail."
"The stars reveal their secrets to those who observe them carefully."