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how did the solar system form
from a nebula that collapse
how long ago did the solar system form
4.6 billion years ago
what is mercury’s atmosphere like
has no true atmosphere
which planet is referred as earth’s sister planet
venus
what is venus’s atmosphere like
dense and hot
what states can water exist as on earth due to the temperatures
as a solid, liquid, or gas
what is mars also known as
the red planet
why is mars red
due to the iron oxide
how many moons does mars have
2
what are the names of the moons
phobos and deimos
what does phobos and deimos mean
phobos means fear and deimos means panic
what was the mission of spirit and opportunity
to search for liquid water
what did the mars reconnaissance orbiter discover
sediment layering, and gullies
what did the mariner 9 space probe discover
valles marineris/large canyon, along with extinct volcanoes
what did viking 1 and viking 2 do
photographed the entire surface of mars
global surveyor
found that the valles marineris have similar walls to the grand canyon
what did the mars odyssey discover
water is frost beneath the cold soil
what data was gathered by the pathfinder and its rover sojourner
that iron may have been leached out by groundwater
where did the curiosity rover land
gale crater
what were the goals of curiosity
investigate climate and geology
to collect evidence for microbial life
to study planetary habitability
