Quiz
Exam 2
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Questions in this quiz (43)
1How is the process of transition of matter from gas state to liquid state?
- AAccretion
- BDifferentiation
- CCondensation
- DSublimation
2What could be responsible for irregularities in present planetary orbits?
- ACollisions (orbital hockey)
- BRadiation pressure from the young sun
- CRapid rotation
- DCondensation sequence
3What statement below is FALSE?
- Ajovian planets have lower average densities than the terrestrial planets
- Bjovian planets do not contain heavy materials such as metals and silicates
- Cjovian planets have larger atmospheres than the terrestrial planets
- Djovian planets have greater rotational periods than the terrestrial planets
4What is a rocky object that orbits the sun but does nots have enough mass to assume nearly round shape or clear the neighborhood around its orbit?
- Aplanet
- Basteroid
- Cplanetary satellite
- Dtrans-neptunian object
5What planet from the list below is a terrestrial planet?
- Asaturn
- Bmoon
- Cpluto
- Dmercury
6What is accretion?
- Athe process of clumping solid particles together
- Bthe process of separation of liquid material by density
- Cthe process of deconstruction of a surface by impacts or weather
- Dthe process of transition of matter from liquid state to gas state
7Which of the following characteristics belongs to terrestrial planets? Rapid rotation (1), few or no planetary satellites (2), strong magnetic field (3), rich in hydrogen and helium (4), short orbital periods (5), solid surface (6).
- A1, 2, 3, 4, 5
- B1, 2, 3
- C2, 5, 6
- Donly 6
8Nearly all extra-solar planets actually found thus far are...
- Aless massive than earth
- Babout same mass as earth
- Cmore massive than earth
9There are four types of robotic spacecrafts exploring Solar System: fly-bys (1), orbiters (2), landers (3), and sample returners (4). Which one below correctly describes exploration of the inner solar system?
- Amercury (1)
venus (1)
moon (1) (2) (3)
mars (1) (2) - Bmercury (1)
venus (1)
moon (1) (2) (3)
mars (1) (2) (3) - Cmercury (1) (2)
venus (1) (2)
moon (1) (2) (3)
mars (1) (2) - Dmercury (1) (2)
venus (1) (2) (3)
moon (1) (2) (3) (4)
- Amercury (1)
10What part of the atmosphere shields earth from cosmic radiation?
- Amagnetosphere
- Bozone layer
- C"heat trap" in low stratosphere
- Dthe entire atmosphere
11If the center of the Earth is its hottest part, why is it solid?
- Abecause the core is made of metal
- Bbecause that is where rocks come from, and rocks are solid
- Cbecause the hotter things are, the more solid they are
- Dbecause of the great pressure at the center of the earth
12What is the most abundant gas in Earth's atmosphere?
- Anitrogen
- Boxygen
- Ccarbon dioxide
- Dwater vapor
13What is the most common compound on the surface of Earth?
- Airon minerals
- Bwater
- Csilicates
- Dmolecular oxygen
14The relatively smooth, flat features on the visible surface of the moon are called...
- Acraters
- Bhighlands
- Cmaria
- Drilles
- Emountain ranges
15Compared to the near side of the moon, the far side is...
- Acooler
- Brougher
- Csmoother
- Ddarker in color
16Which one of the following, along with temperature, determines planets ability to retain atmosphere?
- Asize
- Bdensity
- Crotational rate
- Descape velocity
- Edistance from the sun
17Of the inner planets which has the most cratered surface?
- Amercury
- Bvenus
- Cearth
- Dmars
18Where in the inner solar system one could find volcanoes shaped like pancakes?
- Amercury
- Bvenus
- Cearth
- Dmars
19Why liquid water cannot survive on the surface of mars?
- Amars has a very low gravity as a result of its very small number for escape velocity
- Bit's too cold on mars and water gets frozen almost immediately
- Catmospheric pressure on mars is too low and liquid water would boil away
- Dis it too hot on the surface of mars and liquid boils away
- Emars surface is heavily covered by dust and dust immediately absorbs water
20Seasonal color changes on mars are due to...
- Adry ice
- Bdust storms
- Cwater ice
- Dorbital speed changes
- Etilt of its axis
21Why are mars' seasons more extreme than earth's?
- Amars' orbit is more eccentric
- Bmars' rotational tilt is greater
- Catmosphere on mars is thinner, with fewer greenhouse gases
- Dthe major component of martian atmosphere can change phase seasonally
- Eall of the above
22What surface features have formed on mercury when the planet's interior cooled and shrank?
- Ajumbled terrain
- Bthe highlands
- Cmaria
- Dlobate scarps
- Esinuous rilles
23What inner planet has the tallest mount in the solar system?
- Amercury
- Bvenus
- Cearth
- Dmars
24What do martian and venetian atmospheres have in common?
- Aabsolutely nothing
- Bboth atmospheres are composed mainly of carbon dioxide
- Cboth are original nitrogen rich in atmospheres
- Dboth are heavy active atmospheres
25Which asteroid from the list below does show sign of volcanism?
- Aceres
- Bpallas
- Cvesta
- Dhygeia
26Where would one find water on mars?
- Ain the atmosphere
- Bflowing on the surface
- Clocked in surface permafrost
- Dlocked in southern polar cap
27There is undeniable evidence that liquid water once ran over the surface of mars. What about mars must have been different?
- Ahad same surface temperature and heavier atmosphere
- Bhad same atmosphere but higher surface temperature
- Chad higher surface temperature and heavier atmosphere
- Dthis is unexplained mystery. no changes in mars environment could explain it
28What asteroid family could potentially collide with earth?
- Amain belt
- Btrojans of jupiter
- Capollo group
- Dtrojans of earth
29What are kirkwood's gaps?
- Aorbital gaps in main belt where no asteroids are found
- Bozone depleted regions in ozone layer of Earth's atmosphere
- Cdeep cracks on lunar surface
- Dlow temperature zones in hot venetian atmosphere
30When the huge polar caps on Mars form every winter, what are they mainly made of?
- Awater ice
- Bcarbon dioxide ice
- Cwhite rocks
- Dammonia ice
31Which list below is in order with condensation sequence? From condensing first to condensing last.
- A1. Metals
2. Silicates
3. Water
4. Ammonia - B1. Ammonia
2. Water
3. Silicates
4. Metals - C1. Ammonia
2. Metals
3. Silicates
4. Water - D1. Metals
2. Silicates
3. Ammonia
4. Water
- A1. Metals
32Where in inner solar system could one find calorie basin?
- Amercury
- Bvenus
- Cmoon
- Dmars
33Which list of solar system objects below is in correct order from sun out?
- Amercury
venus
earth
mars
jupiter
saturn
uranus
neptune
asteroids
trans-neptunians - Bmercury
earth
venus
mars
asteroids
jupiter
saturn
neptune
uranus
trans-neptunians - Cmercury
venus
earth
mars
asteroids
jupiter
saturn
uranus
neptune
trans-neptunians - Dmercury
venus
earth
mars
asteroids
jupiter
uranus
saturn
neptune
trans-neptunians
- Amercury
34The central part of earth's core is solid
- ATrue
- BFalse
35The oldest objects found so far in our solar system are earth rocks that are 3.9 billion years old
- ATrue
- BFalse
36The term "solar nebula" refers to a cloud of particles surrounding the solar system
- ATrue
- BFalse
37Moon does not revolve (around earth) but doesn't rotate on its axis
- ATrue
- BFalse
38Oxygen in earth's atmosphere is out-gassed in volcanic eruptions
- ATrue
- BFalse
39Sand dunes cover a large part of the martian crust
- ATrue
- BFalse
40The surface temp on venus doesn't vary between day and night and is about 750k
- ATrue
- BFalse
41The present motions of the planets were inherited from the rotation of the solar nebula
- ATrue
- BFalse
42The pressure of sunlight was one of the forces that cleared the solar nebula
- ATrue
- BFalse
43One common technique used to discover the presence of an extrasolar planet around a star is to detect how they tug their stars about, creating small doppler shifts in the stars' spectra
- ATrue
- BFalse
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- Astronomy Quiz on Exam 2 , created by Trent Shafer on 29/04/2017.
- Author
- Trent Shafer
- Language
- English
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