Chapter 30.1 Flashcards
(18 cards)
Geocentric Model
Earth is considered the center and everything else revolves around it.
heliocentric model
stated that the moon revolves around that Earth and that Earth and other planets revolve around the sun
Extrasolar Planets
planets in orbit around stars other than the sun
Who created the geocentric model?
Ptolemy
Who created the heliocentric model?
Nicholas Copernicus
Who provided evidence to support Copernicus model using a telescope?
Galileo Galilei
Who discovered that planets travel in an ellipse?
Johannes Kepler
True or False? Do planets travel at different speeds in their orbit?
True
Astronomical Unit
equals the average distance from Earth to the Sun,about 150 million km.
What are the planets that are similar to Earth known as?
terrestrial planets
What are the giant planets known as?
Jovian Planets
Which planets are considered to be terrestrial planets?
Mercury, Venus, Mars
Which planets are considered to be Jovian Planets?
Jupiter, Saturn, Uranus, Neptune
Based on location, what are the planets called that are located between the Sun and the asteroid belt?
inner planets
Based on location, which planets are located beyond the asteroid belt?
outer planets
What are the specific planets that are considered to be inner planets?
Mercury, Venus, Earth, Mars
What are the planets called that are located between the Sun and Earth?
Inferior Planets- Mercury and Venus
What are the planets called that orbit beyond Earth’s orbit?
Superior planets- Mars, Jupiter, Saturn, Uranus, and Neptune
