Dinesh's photos with the keyword: Copernicus

Fig, 56 Copernicus, ‘De Revolutionibus’. On the title-page the owner, Willebrord Snell, affirms his support for Copernicus’s views and has disapproved of the cautious preface inserted by Andreas Oslander (without the author’s knowledge0, to the extent that Copernicus’s radical hypotheses ‘need not be true not even probable.’