Vocab Flashcards
Geocentric Model
A model of the solar system, Earth is considered the center and everything else revolves around it.
heliocentric Model
A model that stated the moon revolves around the earth and that earth and the other planaets revolve around the sun.
Extrasolar Planet
planets that orbit around stars other than the sun.
who developed the geocentric model
Ptolemy
Who came up with the heliocentric model
Nicolas Copernicus
Who used a telescope to support Copernicus’s model
Galileo Galilei
Who discovered that the planets traveled around the sun in an ellipse
Johannes Kepler
Do planets travel at different speeds
True
What is an astronomical unit
The average distance from earth to the sun
What planets are similar Earth
Terrestrial planets
Which planets are terrestrial planets
Mercury Venus and Mars
What are the Gas Giants called
Jovian Planets
What planets are Jovian Planets
Jupiter, Saturn, Uranus, and Neptune
What are the planets classified as that are located between the sun and the asteroid belt
Inner planets
What are the inner planets
Mercury, Venus, Earth, and Mars