 Discoveries by Harlow Shapley

"Discoveries" by Harlow Shapley refers to the book by the prominent American astronomer Harlow Shapley, published in 1959. In this work, Shapley discusses key developments and discoveries in the field of astronomy. He is best known for his research on the scale of the Milky Way galaxy and for demonstrating that the sun is not at the center of the galaxy but rather located in one of its spiral arms.