Chapter 30 Flashcards
Geocentric Model
the solar system, earth is considered the center and everything revolves around it
Heliocentric Model
stated the the moon revolves around earth and the earth and the other planets revolve around the Sun
Extra Planet
are planets in orbit around stars other thann the Sun
How developed the geocentric model?
Greek Philosopher Ptolemy
How created the heliocentric model?
Nicholas Copernicus
Who used a telescope to support Copernicus model?
Galileo Galilei
How discovered that planets travel around the Sun in ellipses?
Johannes Kepler
Do planets travel at different speeds in their orbit?
Yes
What is a Astronomical Unit?
equals the average distance from Earth to the Sun, about 150 million km
What planet are similar to Earth?
Terrestrial planets
What planets are similar to Earth?
Venus, Mars, and Mercury
Your gas giants are known as?
Jovian planets
Which planets are known as Jovian planets?
Jupiter, Saturn, Uranus, Neptune
What are the planets classified as that are located between the Sun and the asteroid belt?
Inter planets - Mercury, Venus, Earth and Mars
What are the planets classified located beyond the asteroid belt?
Outer Planets- Jupiter, Saturn, Uranus and Neptune