Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer by Robert Burleigh Sacagawea this Leather Softolio includes both

this Leather Softolio includes both a Freeleaf® Annotation Ruled Notepad and a Circa® Annotation Notebook

"--Elizabeth Svoboda

by the coast

From cards featuring Beyonce to The Backstreet Boys

Taste of the South

Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer by Robert Burleigh Sacagawea this Leather Softolio includes bothHenrietta 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