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From Hans Christian Andersen Award and Batchelder Honor Medal-winning author Roger Mello
and self-recognition
trying to outsmart it
Snoots need boops
Look Up! Arabic From Hans Christian Andersen AwardHenrietta 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
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