30.1 Flashcards
geocentric model
Earth-centric model of solar system
heliocentric model
sun-centric model of the solar system
extrasolar planet
planet in orbit around another star
who came up with the geocentric model
Philosopher Ptolemy
Who came up with the heliocentric model
Nicholas Copernicus
Who supported Copernicus’s model by using a telescope
Galileo Galilei
who discovered the planets travel around the sun in ellipses
Johannes Kepler
True or False: Do planet travel the same speed in there orbit
false
what equal the average distance from the earth to the sun
Astronomical unit
what are the names of the planets similar to the earth
Terrestrial planets
which planet are considered terrestrial planets
Venus, Mercury, Mars
what are the gas planets known as
Jovian Planets
what are the names of the 4 Jovian planets
Jupiter, Saturn, Uranus, Neptune
what are the 2 names of the the planets in the asteroid bet and out of the asteroid belt
inner planets , outer planets
which planets are considered inner planets
Venus,
