Ch. 30.1 Review Flashcards
Who developed the geocentric model?
Ptolemy
Who came up with the heliocentric model?
Nicholas Copernicus
Who came up with evidence using a telescope for Copernicus’s model?
Galileo Galilei
Who discovered that the planets travel around the Sun in an ellipse?
Johannes Kepler
Do planets travel at different speeds in their orbits?
Yes
What is an astronomical unit?
It equals the average distance from Earth to the Sun, about 150 km.
What planets are similar to Earth?
Terrestrial planets
What planets are terrestrial planets
Mercury, Venus and Mars
What are gas giants know as?
Jovian planets
What are the Jovian planets?
Jupiter, Saturn, Neptune and Uranus
What are the planets classified as that are located between the sun and the asteroid belt?
Inner planets
What are the inner planets?
Mercury, Earth, Mars and Venus
What are the planet classified as that are beyond the asteroid belt?
Outer planets
What are the names of the outer planets?
Jupiter, Saturn, Uranus and Neptune
What are the planets classified as that are between the Earth’s orbit and the Sun?
Inferior planets