12 December 1921: Henrietta Swan Leavitt, a great pioneer of modern astronomy, passed away.
Her name is not familiar to most people and she is certainly not as recognizable as Galileo, W. Herschel, or E. Hubble, even though it ought to be.⤵️
12 December 1921: Henrietta Swan Leavitt, a great pioneer of modern astronomy, passed away.
Her name is not familiar to most people and she is certainly not as recognizable as Galileo, W. Herschel, or E. Hubble, even though it ought to be.⤵️