Geocentric vs Heliocentric models

Who were the people that popularized the geocentric model?

• Galileo and kepler

• Aristotle and Ptolemy

• Copernicus and Aristarchus

• Brahe and Kepler

What is the biggest difference between the Geocentric Model and the Heliocentric Model?

• the shape of the planets' orbits

• the movement of the moon

• the object at the center of the universe

• the brightness of the sun

What does "geo-" mean?

• Earth

• sun

• Center

• Moon

What does the word "Helio" mean?

• Earth

• Mars

• Sun

• Juputer

Why is Kepler remembered?

• He thought the Earth was at the center of the universe.

• He recorded precise observations of planets and stars.

• He showed that all planets revolved the sun in elliptical orbits.

• He discovered galaxies beyond the Milky Way.

Galileo Galilei proposed a model that the Earth orbited the Sun and that all the planets moved in circles around it.

• TRUE

• FALSE

Orbit = fly or move around in circles

• TRUE

• FALSE

The first person to observe the planets through a telescope was:

• Nicolaus Copernicus

• Galileo Galilei

According to Copernicus, Earth was the centre of the universe

• TRUE

• FALSE

The Sun is considered to be the center of the solar system:

• Heliocentric model

• Geocentric model