Why Does The Earth Revolve Around The Sun?

The video tutorial introduces Nicolaus Copernicus and his revolutionary heliocentric model, which placed the sun at the center of the solar system, challenging the long-held geocentric model. It highlights the contributions of astronomers Tycho Brahe, Johannes Kepler, and Galileo Galilei, who provided evidence supporting Copernicus' theory. The video concludes with the acceptance of the heliocentric model, marking a significant shift in astronomical understanding.

What was the central belief of the geocentric model?

• The Earth is the center of the universe.

• The stars are the center of the universe.

• The sun is the center of the universe.

• The moon is the center of the universe.

Who proposed the heliocentric model in the 16th century?

• Galileo Galilei

• Johannes Kepler

• Nicolaus Copernicus

• Tycho Brahe

What is the main idea of the heliocentric model?

• The sun revolves around the Earth.

• The Earth revolves around the moon.

• The planets revolve around the sun.

• The stars revolve around the Earth.

Which astronomer used parallax measurements to support the heliocentric model?

• Tycho Brahe

• Nicolaus Copernicus

• Johannes Kepler

• Galileo Galilei

What did Galileo discover with his telescope that supported the heliocentric model?

• The stars are fixed in the sky.

• The Earth has rings.

• The sun has spots and rotates.

• The moon is made of cheese.