Chapter 30.1 vocab Flashcards
geocentric model
of the solar system, Earth is considered the center and everything revolves around it.
heliocentric model
stated that the Moon revolves around Earth and that Earth and the other planets revolve around the sun.
extrasolar planets
are planets in orbit around the stars other than the Sun.
Who created the Geocentric model?
Greek Philosopher Ptolemy
Who came up with the Heliocentric model?
Nicholas Copernicus
Who use the telescope to support Copernicus model?
Galileo Galilei
Who discovered that the planets travel around the sun in Ellipse?
Johannes Kepler
Do planets travel different speed in their orbits?
Yes
What equals the average distance from Earth to the Sun, about 150 million km?
Astronomical unit
What planets are similar to Earth?
terrestrial planets
What are your giant planets known as?
Jovian planets
What are the planets classified as that are located between the Sun and Astroid belt?
Inner planets
What are your Inner planets?
Mercury, Venus, Earth, and Mars
What are the planets classified that are located beyond?
Outer planets
What are the names of the Outer planets?
Jupiter, Saturn, Uranus
