Monday, February 14, 2022

Genius...

"Harriet Tubman, Astronomer Extraordinaire"

https://msmagazine.com/2022/02/03/harriet-tubman-astronomer-underground-railroad-north-star-nasa/ 

"dark energy for Harriet Tubman"

Alexis Pauline Gumbs, 2022  
https://msmagazine.com/tubman200/
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