The Solar System Answers

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.

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

Why was Aristarchus’s model not accepted? Select two options.

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 .

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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.

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 .