The Solar System Answers

Which represents the Copernican model that is most similar to that of Aristarchus?

Choose the correct answer to complete the paragraph about the acceptance of the heliocentric model. In the second century BCE, the Greek astronomer Ptolemy tried to explain the backward movement of the planets by using a solar system model that included . For centuries, this was the accepted model. During the Renaissance, Nicholas discovered the old heliocentric model of Aristarchus. In Aristarchus’s model, the rising and setting of the Sun was explained by the movement of the .

✔ CopernicusGalilei Kepler

Sun ✔ Earthmoon

Identify Earth’s neighbors in the solar system by choosing the correct answer.

✔ Asteroids and meteoroidsComets and starsGas giants

gas giantsmeteoroids✔ terrestrial planets

SaturnMars✔ Jupiter

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.

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.

Why is the Copernican Revolution significant? Select three options.

Identify Earth’s neighbors in the solar system by choosing the correct answer. The are bodies of rock or gas that are named for ancient gods. are made of rock or metal, which often collide with Earth. The are most similar to Earth. The Juno probe is exploring the planet .

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.