De revolutionibus orbium coelestium Earth's axis rigidly to a Sun-centered sphere. The unfortunate consequence was that the terrestrial rotation axis then maintained the same inclination with respect to the Sun as the sphere turned, eliminating the seasons." To explain the seasons, he had to propose a third motion, "an annual contrary conical sweep of the terrestrial axis". It was not until the Great Comet of 1577, which moved as if there were no spheres to crash through, that the idea was challenged. In 1609, Kepler fixed Copernicus' theory by stating that the planets orbit the sun not in circles, but ellipses. Only after Kepler's
The House of the Rising Sun that the song is about a woman who killed her father, an alcoholic gambler who had beaten his wife. Therefore, the House of the Rising Sun may be a jailhouse, from which one would be the first person to see the sunrise (an idea supported by the lyric mentioning "a ball and chain," though that phrase has been slang for marital relationships for at least as long as the song has been in print). Because women often sang the song, another theory is that the House of the Rising Sun was where prostitutes were detained while being treated for syphilis.