The Mystery and Wonder of Astronomy – True Structure of Spiral Galaxies first determined visually (video)

Video Link Below With this video we introduce a new program feature at Astronomy for Change: “The Mystery and Wonder of Astronomy”. The true structure of spiral galaxies, as yet undetermined into the first quarter of the 20th century with Edwin Hubble, Harlow Shapley, Heber Curtis and Fritz Zwicky making great strides in determining the[…]

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