The Expanding Universe Answers

Which contributions did Galileo make to the model of the solar system? Select two options.a mathematical model for the orbits of the planetsscientifically accurate data on planetary orbitsdata that showed that planets reflected sunlight similar to Earth’s moonthe idea that stars are other suns that do not moveobservations of the moons of Jupiter rotating around the gas giant

Which contributions did Johannes Kepler make? Select three options.He revived Aristotle’s model of the solar system.He solved Ptolemy’s model by proving elliptical orbits.He proved Galileo’s calculations were incorrect.He determined that planets move faster when closer to the Sun.He discovered laws of planetary motion.

Why is the Copernican Revolution significant? Select three options.Few advancements in scientific knowledge were made.Scientists discovered new evidence to support their theories.Scientists discovered that old interpretations of data was incorrect.Scientists used observations and mathematical data to solve problems in new ways.All theories developed during the time period were disproved by modern science.

Which statements did both Aristotle and Ptolemy assume? Select two options.The Sun was the center of the solar system.Bodies in space traveled in circles.Epicycles explained the “looping” movement of the planets.The planets revolved around the Earth.The stars in the sky are other suns.

Why was Aristarchus’s model not accepted? Select two options.Aristotle had better data than Aristarchus.Aristarchus was not as famous as Aristotle.Aristotle’s model was more accurate.Aristarchus could not answer some important questions about the model.Aristarchus had fallen out of favor with Alexander the Great.