Planets Flashcards
all the- -planets have rocky surfaces
Inner
why is Venus average surface temperature greater than mercury
venus has a strong green house effect
particles of rock and ice that orbit the sun in elliptical parts
comets
asteroid chunks of rock and ice that form a belt between mars and jupiter
asteroid
the gravitational forces on the outer planets apply tremendous _____ which changes gas to liquid
gasses (maybe pressure)
in the solar system planets orbit in?
eliptical paths
______ are streaks of light formed my meteoroids traveling through earths atmosphere
meteros
most impact craters are produced by?
Meterorites
which statement is true of every outer planet?
each has gas and liquid around its solid core
an ______ is the average distance from earth to the sun
astronomical units
what is plutos clasification
Dwarf planet