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Terrestrial Planets
Terrestrial Planets
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Quick review of the terrestrial planets that we have covered thus far.
Flashcards
33 cards
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Questions
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Answers
1
The Moon rotates on its axis relative to the distant stars
once every sidereal day.
once every sidereal month.
once a year.
not at all
2
The Earth's atmosphere is composed of 1/5........
Oxygen
Hydrogen
Nitrogen
Carbon
3
Which of the terrestrial planets completely lacks water?
Earth
Mars
Venus
Mercury
4
The distance from the Earth to the Moon
varies enough that sometimes we get an annular solar eclipse
never changes.
varies enough that sometimes we get an annular lunar eclipse
varies, but not enough to affect eclipses.
5
The number of maria on the side of the Moon facing away from the Earth is
greater than on the side facing Earth.
less than on the side facing Earth.
about the same as on the side facing Earth.
non-existent.
6
Mars has two moons named
Moon 1 and Moon 2
Europa and Ganymede
Phobos and Deimos
Titan and Callisto
7
The Lunar Maria are thought to have been caused by ancient
dust storms
oceans
aliens
lava flows from impacts
8
A scientist is studying Mercury. He sees it complete 18 orbits. How many rotations is this?
16
10
12
14
9
This probe is known as the first one to orbit Mercury.
Magellan
Mariner 10
BepiColumbo
Messenger
10
This planet completely lacks a magnetic field because its core is too solid.
Mars
Earth
Venus
Mercury
11
The Earth's magnetic field traps this to protect us....
Alpha Radiation
Carbon Dioxide
Nitrogen Dioxide
Charged Sun particles
12
This probe sent back very detailed 3D maps of Venus
Venera 9
Messenger
Magellan
Mariner 10
13
The currently accepted theory of how the Moon formed is the
divine intervention theory.
collision theory.
co-formation theory.
capture theory.
14
Mars' sunlight intensity varies by about
12%
40%
6%
20%
15
The first successful soft landing on the Moon was Surveyor 1 in
1966
1946
1956
1969
16
The Moon is approximately........the size of Earth
1/4
1/2
1/3
1/5
17
Which probe utilized a bus design to study the atmosphere of Venus?
Pioneer Venus Orbiter
Pioneer Venus Multiprobe
Venus Express
Akatsuki
18
Which best describes Venus' atmosphere?
CO2 with pressure 90x that of Earth
CO2 with pressure 70x that of Earth
Nitrogen with pressure 70x that of Earth
Nitrogen with pressure 90x that of Earth
19
This probe was the first one to reach Mercury.
Magellan
Mariner 10
Messenger
Bepicolumbo
20
The first human landing on the Moon was
Apollo 11 in 1974.
Apollo 11 in 1969.
Apollo 10 in 1969.
Surveyor 1 in 1969.
21
A Martian
sol
is
Half the time of an Earth day
The same length as an Earth day
39 minutes shorter than an Earth day
39 minutes longer than an Earth day
22
Pathfinder
Landed on Mars using an airbag system and carried Sojourner
Did a flyby of Mars and took pictures
Landed on the Moon using an airbag system
Landed on two different Martian sites to see differences
23
The magnetic field of Mars is
The same intensity as Earth
Localized to certain areas
10% the intensity of Earth
Mars does not have any magnetic field
24
Which series of probes are considered to be the first ones to land on another planet?
Viking series
Pioneer series
Venera series
Mariner series
25
The Mars global surveyor...
Sent back pictures of Mars on a flyby
Had it's view obscured by a dust storm
Found hematite and remnant magnetic fields on Mars
Landed on two different locations on Mars
26
Which of the following has no atmosphere?
Earth
Mars
Venus
Mercury
27
Mars has water as
Mars does not contain water in any form
Vapor and ice near the poles
Vapor and flowing liquid
Ice and flowing liquid
28
The Earth's orbit is not quite circular. How much does this vary the intensity of sunlight?
By 10%
By 8%
By 4%
By 6%
29
Mars has an atmosphere...
Composed of CO2 and 1% the pressure of Earth's
Composed of Hydrogen and 1% the pressure of Earth.
Composed of NO2 and the same pressure as Earth
Composed of CO2 and the same pressure as Earth.
30
On what planet would you expect the Sun to rise in the West?
Earth
Merucury
Venus
Mars
31
What do we use Milankovich Cycles to account for?
Climate Change
The seasons
The rising and setting of the Sun
Daylight savings
32
Mercury is believed to have large what near the poles?
Ice deposits
Dust storms
Craters
Mountains
33
Which planet is the only one able to contain water in all 3 forms?
Mercury
Venus
Mars
Earth
