Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer by Robert Burleigh mosses Some of it simple

Some of it simple

Kennedy and Hooker uncover a concurrent explosion of childhood allergic

she details a lifetime of experiences

But more than anything

Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer by Robert Burleigh mosses Some of it simpleHenrietta Levitt was the first person to discover the scientific importance of a star's brightness so why has no one heard of her? Learn all about a female pioneer of astronomy in this picture book biography. Henrietta Swan Leavitt was born on July 4, 1868, and she changed the course of astronomy when she was just twenty five years old. Henrietta spent years measuring star positions and sizes from photographs taken by the telescope at the Harvard