De revolutionibus orbium coelestium divided into six "books" (sections or parts), following closely the layout of Ptolemy's "Almagest" which it updated and replaced: Copernicus argued that the universe comprised eight spheres. The outermost consisted of motionless, fixed stars, with the Sun motionless at the center. The known planets revolved about the Sun, each in its own sphere, in the order: Mercury, Venus, Earth, Mars, Jupiter, Saturn. The Moon, however, revolved in its sphere around the Earth. What appeared to be the daily revolution of the Sun and fixed stars around the Earth was actually the Earth's daily rotation on its own axis. Copernicus adhered
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