30.2 Flashcards
Mercury
smallest and closest planet to the sun
Venus
second planet to the sun
earth
third planet from the sun and able to support life
Mars
fourth planet from the sun and is called the red planet for the iron oxide in weathered rocks
how did the solar system form
a nebula collapsing
how long ago did the solar system form
4.6 million years ago
what type of atmosphere does mercury have
it has no true atmosphere
what is earths sister planet
Venus
what is Venus’s atmosphere like
dense and hot atmosphere
the temperatures on earth allow for the water on earth to be what
solid, liquid, gas
why is mars red
the iron oxide in the weathered rocks
mars moons are
Phobos and Deimos
Phobos means
fear
Deimos means
panic
whats was spirit and opportunity’s mission on mars
discover water
what was the reconnaissance’s mission
discover sediment layers and gullies
what did mariner 9 discover
Valles marineris and volcanoes
what is the mission of viking 1 and viking 2
photograph entire surface of mars from orbit
global surveyor was sent to
survey the walls of valles marineris and are similar to the grand canyons walls
what did the odyssey discover
there is water as frost below thin layer of soil
what data was gathered by the mars path finder sojourner
iron in mars crust leached out because of ground water
where did the curiosity rover land
the gale crater
what were the goals of curiosity
to investigate climate and geology, collect evidence for microbial life, and study for planetary habitability
