Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer Romance_Gift_Guide he oversaw an assortment of

he oversaw an assortment of dangerous—even deadly—experiments

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Michael Connelly shows once again why he has been dubbed “one of the greatest crime writers of all time” (Ryan Steck

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Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer Romance_Gift_Guide he oversaw an assortment ofHenrietta Levitt was the first person to discover the scientific importance of a stars brightnessso 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