Geocentric vs. Heliocentric

Front

What does the Geocentric system look like?

Back

In the Geocentric system, Earth is at the center of the universe, and all other celestial bodies, including the sun and stars, revolve around it.

Front

Who proposed the Heliocentric system?

Back

Copernicus proposed the Heliocentric system, which places the sun at the center of the universe.

Front

What does 'geo-' mean?

Back

'Geo-' means Earth.

Front

What does the Heliocentric system look like?

Back

In the Heliocentric system, the sun is at the center, and the planets, including Earth, revolve around it.

Front

Who discovered that the shape of a planet's orbit is actually an ellipse?

Back

Kepler discovered that the shape of a planet's orbit is an ellipse.

Front

What is the main difference between Geocentric and Heliocentric systems?

Back

The main difference is that the Geocentric system has Earth at the center, while the Heliocentric system has the sun at the center.

Front

What did Ptolemy contribute to astronomy?

Back

Ptolemy developed the Geocentric model of the universe, which was widely accepted for many centuries.

Front

What is an ellipse?

Back

An ellipse is an elongated circle; it is the shape of the orbits of planets as described by Kepler.

Front

What is the significance of Copernicus's work?

Back

Copernicus's work challenged the long-held Geocentric view and laid the foundation for modern astronomy.

Front

What role did Galileo play in the Heliocentric theory?

Back

Galileo provided observational evidence supporting the Heliocentric theory, including the phases of Venus.