SOL science prep 6th grade solar system unit Flashcards
this model said the earth was at the center of the universe
geocentric
which scientists believed in the geocentric model?
Aristotle & Ptolemy (absolutely pathetic)
this model said that the sun was at the center of the universe
Heliocentric
which scientists believed in the heliocentric model?
Nicolas Copernicus & Galileo (Completely Genius)
who continued to prove Copernicus was correct through 20 years of observations of the positions of the planets?
Brahe
who analyzed Brahe’s work (AKA stole them) and concluded planets have elliptical orbits?
Kepler
who proved that planets stay in orbit because of inertia and gravity?
Newton
list the planets is order from the sun out
Mercury, Venus, Earth, Mars, Asteroid Belt, Jupiter, Saturn, Uranus, Neptune (My very exited mother almost just served up nachos)
what planets are terrestrial?
inner planets
what planets are more dense?
inner planets
what planets have fewer moons?
inner planets
what planets have solid cores?
inner plannets
smallest planet
2nd hottest
thin atmosphere
hot days cold nights
mercury
earth’s twin
brightest
hottest
thick atmosphere
rotates clockwise
no moons
Venus
densest
1 moon
only planet knows to have liquid water
Earth
tallest mountain
thin atmosphere
largest dust storms
2 moons
“red planet”
Mars
what planets are farther apart?
outer planets
which planets are Jovian?
outer planets
which planets are “Gas Giants”?
Jupiter and Saturn
which planets are “Ice Giants”?
Uranus and Neptune
which planets are less dense?
Outer planets
which planets have more moons?
outer planets
fastest spinning
at least 79 moons
largest
great red spot
Jupiter
very low density
flattest planet
at least 82 moons
Saturn
Sideways axis
rotates clockwise
first to be discovered with a telescope
at least 27 moons
Uranus
Windiest
Methane gas
same surface gravity as Earth
at least 14 moons
Neptune
list the planets is order of smallest to bigest
mercury
mars
Venus
earth
Neptune
Uranus
Saturn
Jupiter
(mm Venus j)
comets often have a _____
tail