Historical Models of the Solar System

Developed a detailed geocentric model that was used by astronomers for the next 14 centuries. He also believed that a celestial body traveled at a constant speed in a perfect circle.

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Until the time Copernicus, most scientists thought the _______ model of the solar system was correct

Who first observed the phases of Venus?

• Kepler

• Galileo

• Copernicus

• Aristarchus

Who replaced circles with ellipses in a heliocentric model of the universe?

• Kepler

• Ptolemy

• Aristotle

• Copernicus

Whose geocentric model of the solar system was accepted for 1,400 years?

• Aristotle

• Ptolemy

• Copernicus

• Galileo

Whose heliocentric model is seen as the first step in the development of modern models of the solar system?

• Aristotle

• Aristarchus

• Kepler

• Copernicus

Tags

NGSS.HS-ESS1-4

The _ model of the solar system was first proposed by Aristarchus.

• geocentric

• heliocentric

In the _ model, Earth and other planets orbit the sun.

• geocentric

• heliocentric

Tags

NGSS.MS-ESS1-1

Models which used Earth as the center are called Earth-centered, or _.

• geocentric

• heliocentric

The _ states that planetary orbits are ellipses with the sun at one focus.

• second law

• first law

• third law