Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer by Robert Burleigh alexander Readers will be drawn into

Readers will be drawn into a world of danger

which is now included in the Library of Congress archive of culturally valuable materials

In Amazing Rare Things

and has been featured in Country Home

Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer by Robert Burleigh alexander Readers will be drawn intoHenrietta 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