De revolutionibus orbium coelestium De revolutionibus orbium coelestium De revolutionibus orbium coelestium ("On the Revolutions of the Heavenly Spheres") is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus (1473–1543). The book, first printed in 1543 in Nuremberg, Holy Roman Empire, offered an alternative model of the universe to Ptolemy's geocentric system, which had been widely accepted since ancient times. Copernicus initially outlined his system in a short, untitled, anonymous manuscript that he distributed to several friends, referred to as the "Commentariolus". A physician's library list dating to 1514 includes a manuscript whose description matches the "Commentariolus", so Copernicus must
The Lightning and the Sun and first published in 1958 in Calcutta, she said it "could be described as a personal answer to the events of 1945 and of the following years." It is dedicated "To the god-like Individual of our times; the Man against Time; the greatest European of all times; both Sun and Lightning: Adolf Hitler, as a tribute of unfailing love and loyalty, for ever and ever." It opens with quotations from "The Bhagavad Gita" and Rudolf Hess. The Lightning and the Sun The Lightning and the Sun is a 1958 book by Savitri Devi Mukherji, in which the author outlines her