Geocentric vs. Heliocentric

Front

What is the Geocentric Model?

Back

The Geocentric Model is an astronomical theory that places Earth at the center of the universe, with all other celestial bodies orbiting around it.

Front

What is the Heliocentric Model?

Back

The Heliocentric Model is an astronomical theory that places the Sun at the center of the solar system, with Earth and other planets orbiting around it.

Front

Who proposed the Geocentric Model?

Back

The Geocentric Model was proposed by ancient Greek philosophers, notably Aristotle.

Front

Who is known for the Heliocentric Model?

Back

The Heliocentric Model was popularized by Nicolaus Copernicus.

Front

What did Galileo use to support the Heliocentric Model?

Back

Galileo used a telescope to observe celestial bodies, providing evidence for the Heliocentric Model.

Front

What is at the center of the Geocentric Model?

Back

Earth is at the center of the Geocentric Model.

Front

What is at the center of the Heliocentric Model?

Back

The Sun is at the center of the Heliocentric Model.

Front

What is one major difference between the Geocentric and Heliocentric Models?

Back

The major difference is the center of the solar system: Earth in the Geocentric Model and the Sun in the Heliocentric Model.

Front

What did the Geocentric Model fail to explain?

Back

The Geocentric Model failed to explain the retrograde motion of planets and the phases of Venus.

Front

What is retrograde motion?

Back

Retrograde motion is the apparent backward movement of a planet as observed from Earth.