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On This Day

A date in history of medicine, science, environmental study, space exploration of benefit to our knowledge of earth and life sciences of interest.

Talking Up Stars

Talking Up Stars

 On August 1, 1905, Helen Battles Sawyer Hogg, CC was born. A childhood sighting of Halley’s Comet thrilled her and ignited her fascination with astronomy. Later, astronomer Annie Jump Cannon’s visit during college cemented Hogg’s decision to stick with astronomy and turned into her…