MAKE A MEME View Large Image Karl Schwarzschild and Ejnar Hertzsprung (1909).jpg en Karl Schwarzschild left and Ejnar Hertzsprung in professorial gowns in front of the Göttingen Observatory building sometime in 1909 1909 http //www leosondra cz/en/first-hr-diagram/ ...
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Keywords: Karl Schwarzschild and Ejnar Hertzsprung (1909).jpg en Karl Schwarzschild left and Ejnar Hertzsprung in professorial gowns in front of the Göttingen Observatory building sometime in 1909 1909 http //www leosondra cz/en/first-hr-diagram/ The Göttingen Observatory photo courtesy Hartmut Grosser other versions PD-old-70-1923 Karl Schwarzschild Ejnar Hertzsprung Uploaded with UploadWizard
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