Source Book in Astronomy, 19001950 by Harlow Shapley (English) Hardcover Book
Source Book in Astronomy, 19001950 by Harlow Shapley. Title Source Book in Astronomy, 19001950. Author Harlow Shapley. The Source Book’s 69 contributions represent all fields of astronomy. For example, there are reports on the equivalence of mass and energy (E = mc?).