PLANETS- CH 10 Mars

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

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


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