Size of the Milky Way The size of the Milky Way was first measured in the early 1900s by the Dutch astronomer Jacobus C. Kepteyn and the American astronomer Harlow Shapley.
Size of the Milky Way The size of the Milky Way was first measured in the early 1900s by the Dutch astronomer Jacobus C. Kepteyn and the American astronomer Harlow Shapley.