section one Flashcards
(15 cards)
a model that shows earth as the center of everything
geocentric model
states that the moon revolves around earth and that the other planets rotate around the sun
heliocentric model
planets in orbit around other stars
extrasolar planets
who created the geocentric model
Ptolemy
who created the heliocentric model
nicholas copernicus
who provided evidence to support copernicus theory
galileo galilei
who discovered that planets travel in an ellipse
Johannes Kepler
do planets travel at different speed? yes or no.
yes
the average difference from the sun to the earth is called….
astronomical unit
what are the planets that are similar to earth known as
terrestrial planets
what are the gas planets known as
Jovian planets
which planets are considered to be terrestrial planets
mars, venus, mercury
What are considered to be gas giants
Jupiter, saturn, uranus, neptune
based on location what are the planets inside the asteroid belt called
inner planets
what are the planets inside the asteroid belt known as
outer planets
