chapter 30 section 2 Flashcards
mercury
the smallest and closest planet to the sun
venus
the second closest planet from the sun
Earth
the third planet from the sun
mars
the fourth planet from the sun
how long ago did the solar system from
4.6 millon year ago
what type of atmosphere for mercury
has no atmosphere
which planet is know as earth’s sister planet
Venus
what states is water on earth
solid liquid gas
what is mars also know as
red planet
why is mars red
iron oxide
how many moons dose mars have
two
what are the names of the two moons
phobos and deimos
what dose phobos mean
fear
what dose deimos
panic
what was spirit and opportunity’s mission
to find water
what did mars orbiter discover
sediment layering
mariner 9 discover
vqalles marineris(large canyon) and volcanoes
what did viking 1 and 2 do
the photograhed the surface of mars
what did global surveyor do
it looked at the walls of valles marineris
what did the odyssey do
found evidence of water as frost beneath a thin layer of soil
what data did mars pathfinder and rover collect
mars crust have been leached out by groundwater
where did curiosity land
the gale crater
what were the goals of curiosity
investigate climat and geology
to collect evidence of microbial life, the role of water
planetary habitability studies
