Early Models of Universe

What is in the center of the Heliocentric Model?

• Sun
• Comet 
• Jupiter
• Earth

What model does this represent?

• Geocentric 
• Heliocentric 

This person discovered moons on Jupiter, which helped to support the heliocentric theory 

• Aristotle
• Copernicus
• Ptolemy
• Galileo

This person was the first to use a telescope to make observations in the sky -

• Aristotle
• Ptolemy
• Copernicus
• Galileo

A model of the universe in which Earth is at the center of the revolving planets and stars.

• heliocentric

• geocentric

• aphelion

• parallax

Examine the Diagram of the Solar System below. Which of the following astronomers held and promoted this view of the solar system? 

• Aristarchus
• Ptolemy & Tycho Brahe
• Copernicus
• Johannes Kepler & Tycho Brahe

The Earth revolved around the sun in a circular path.

• TRUE

• FALSE

In this model, it is assumed that Earth was at the center of the universe, while the other ________ bodies revolved around the Earth in perfect circles with constant velocity.

• terrestrial

• celestial

Ptolemy’s model was considered more refined than previous geocentric models because _____________.

• his model could explain the motion of the celestial bodies accurately.

• his model could explain the correct rotation of the earth.

• his model could explain the motion of the moon and sun.

• his model could explain the retrograde motion

In heliocentric model, what is the correct order of planets from the sun.

• Mercury, Mars, Earth, Venus, Jupiter, Saturn

• Neptune, Venus, Earth, Mars, Jupiter, Saturn

• Mercury, Venus, Earth, Mars, Jupiter, Saturn

• Mars, Venus, Earth, Mercury, Jupiter, Saturn