This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
De revolutionibus Astronomia instaurata. en Cover of the Third edition of Nicolaus Copernicus' de revolutionibusby Nicolaus Mulerius Published to commemorate the th anniversary of his death in la Nicolai Copernici Torinensis Astronomia instaurata libris sex comprehensa qui de revolutionibus orbium coelestum inscribuntur Nunc denum