Chapter 30.1 vocabulary Flashcards
earth-centered model of the solar system
geocentric model
sun-centered model of the solar system
heliocentric model
planets in orbit around another star
extrasolar planets
who used a telescope to support Copernicus’s model
Galileo Galilei
who developed the geocentric model
Ptolemy
who discovered that the planets travel around the sun in an ellipse
Johannes Kepler
Planets travel in different speeds in their orbits true/false
true
What is an astronomical unit
the average distance from the earth to the sun
what planets are similar to earth
terrestrial planets
which planets are classified as terrestrial planets
Mercury, Venus, and Mars
the gas giants are also known as jovial planets
Jupiter, Saturn, Uranus, and Neptune
what are the planets classified as that are located between the sun and the asteroid belt
inner planets
which planets are the inner planets
Mercury, Venus, Earth, and Mars
what are the planets classified as that are located beyond the asteroid belt
outer planets
which planets are the outer planets
Jupiter, Saturn, Uranus, and Neptune
