Who first proposed the concept of elliptical orbits?a.Galileob.Copernicusc.Keplerd.Hubblee.All of the abovef.None of the above

Who first proposed the concept of a Heliocentric Model?a.Copernicusb.Aristarchusc.Galileod.Ptolemye.All of the abovef.None of the above

Kepler's first law worked, where Copernicus' original heliocentric model failed, because Kepler described the orbits asGroup of answer choicesmuch larger than Copernicus had envisioned.complex, with epicycles to account for retrograde motions.elliptical, not circular.around the Sun, not the earth.being on equants instead of epicycles.

Who first claimed that the earth revolves spherically around the sun?1 pointa) Sir Isaac Newtonb) Keplerc) Copernicusd) Ptolemy

Revolución Científica: Copérnico, Galileo, Kepler y Newton

The beginning of modern astronomy can be traced back to Nicolaus Copernicus and his book, On the Revolution of Heavenly Spheres. What theory did Copernicus promote in this book, which was in conflict with the teachings of the Catholic Church? A. The Earth’s wobble on its axis produced seasonal changes. B. Planets rotated on mini-orbits around the Earth. C. The Earth was not the center of the universe. D. The center of the universe is far beyond the stars.