30.2 Flashcards
Venus
second planet fro the sun and has dense atmosphere
mars
fourth planet from the sun and is called the red planet
mercury
smallest and closest planet to the sun
earth
third planet from the moon and is able to sustain life
how long ago was the solar system formed
a nebula collapsed 4.6 billion years ago
what type of atmosphere does Mercury have
no true atmosphere
what type of atmosphere does Venus have
a dense atmosphere
which planet is referred to earths sister planet
Venus
what state is water on earth
Solid, liquid, and gas
how many moons does mars have
2
what does Phobos mean
fear
what does Deimos mean
panic
what was spirit and opportunity mission
find liquid water
What did Mars Reconnaissance discover
sediment layering and gullies in 2009
What did Mariner 9 discover
Valles Marineris ( a larger canyon) and extinct volcanoes
What did Viking 1 and Viking 2 do
they photographed the surface of mars
What did Gobal Suveyor do
is exammed valles marineris
what did dyssey do
provided evidence for water as frost beneath a thin layer of soil
What data did Mar Pathfinder gather
mars crust may have been leached out by groundwater
Where did curiosity land
landed in the gale crater
What were the goals of Curiosity
investigate climate and geology, collect evidence for microbial life, and planetary habitability studies for future humans