chapter 30 section 1 Flashcards
geocentric model
the solar system, Earth is considered the center and everything else revolves around it
heliocentric model
stated that the Moon revolves around Earth and the Earth and the other planets revolves around the sun
extra-solar planets
planets in orbit around starts other than the sun
who came with the geacentric model
Greek philsosopher ptolemy
who came up with the heliocentric model
Nicholas Copernicus
who supported copernicus’s model by using a telescope
Gailileop Galilei
who discovered the planets travel around the sun in ellipses
Johannes Kepler
do planets travel at different speeds in there orbit
yes
an astronomer unit (AU) queals
about 150 million km
what planets are similar to earth
terrestrial planets
what planets are terrestrial planets
venus, mars, mercury
what are gas gaints also known as
jovian planets
name the gas gaints
jupiter, saturn, uranus, neptun
what are the two names of the planets that are within the asteroid belt and beyond the asteroid belt
inner planets and outter planets
