PLANETS- CH 10 Mars
what is the composition of the southern polar cap on mars?
permanent thick dry ice and permanent water
what is the composition of the northern polar cap on Mars?
permanent water ice, thin seasonal layer of dry ice (1 meter)
what is mars biggest moon named? and another big one?
phobos and diemos
how can you make sure a metorite is not from venus?
too hard to escape venus
a danger if terraforming mars is we could affect possibly living organisms ther
true
mars currently has 3 active rovers
true
mars has high winds and thus large dust storms
true
mars has water clouds and dry ice clouds
true
over 50 spacecrafts have been launched to study mars but most were unsuccessful
true
radiation on mars due to a lack of a thick atmosphere and magentic field, could kill you
true
water ice has been found in the soil of mars
true
what do astronomers think happened to all the water
under the surface and lost to space
the largest canyon on mars is called
valles marineris
what is the largest volcano on mars
Olympus Mons
5 difficulties of flying humans to mars:
adjusting to gravity, radiation, 2 year trip, limited launch windows, expensive, boring
what is maars day in hours?
24.6
what is mars tilt
25 degrees
what is mars density?
3.9
Mars is about what percent size of Earth?
50%
Mars' atmosphere is made up of what percent co2, nitrogen and everything else?
95%, 3%, and 2%
Where is Olympus Mons?
one of the many on the tharsis buldge
what is mars bond and geometric albedo
.16 and .15
Mars gravity is about what of earths?
.38
what is mars' atmospheric pressure of earths?
.7%
what is mars average au from sun
1.5
what is mars year in earths years?
1.88
Near the equator what temps does mars reach at day and night?
20 c and -70 c
5 difficulties of setting up human base on mars
cant breath air, soil is poisonous, dust, delayed communications, contaminate mars, radiation
what can tell you if a metoriote is from mars?
encapsulates Martian atmosphere and rocks match
mars has active volcanoes
false
there arae never lighting storms on mars
false
winds on mars could knock people over
false
which space probe was the first to orbit
mariner 2
which was the first to fly by mars
mariner 4
which was the first probe to orbit mars
mariner 9
how a weak to nonexistent magnetic field contributed to mars loss of an atmosphere
more radiation, solar wind blasts away atmosphere
how can you make sure a metorite is not from the asteriod belt?
not primitive
mars is known as what planet
red planets
the largest volcanoes on mars are on a north american sized uplifted area called the
tharsis montes buldge
Mars is named after the Roman god of what?
war
3 steos to terraform mars
warm up the poles, big space reflectors, plants plant for co2 to o2
evidence that there was once lots of liquid water on mars?
water marks, sedimentary rocks, coastlines, river valleys, mineral deposits
how can you make sure a metorite is not from the moon?
we have moon rocks to compare