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 Line of the Sun or American literature, which Socolovsky states can be a "common trope for understanding U.S. multicultural writers." The Line of the Sun The Line of the Sun, also titled "La Línea del Sol" in the Spanish translation, is a 1989 novel written by Puerto Rican-American author Judith Ortiz Cofer. The novel was originally published in English and tells the story of a Puerto Rican family who emigrates to the United States. The story depicts the cultural, social, and personal struggles of the family members to maintain their native culture in Puerto Rico and their new way of life in both the