Question 1

Mars is located 1.5 AU from the sun.What is its orbital period?

Accepted Answer

A)  1.3 years 
B)  3.4 years 
C)  1.8 years 
D)  2.25 years 
E)  11.4 years 
A)  1.3 years 
B)  3.4 years 
C)  1.8 years 
D)  2.25 years 
E)  11.4 years C

Question 2

____ is a very long and deep canyon on Mars.

Accepted Answer

A)  Valles Marineris 
B)  Ishtar Terra 
C)  Tharsis Bulge 
D)  Lobate Scarp 
E)  Phobos 
A)  Valles Marineris 
B)  Ishtar Terra 
C)  Tharsis Bulge 
D)  Lobate Scarp 
E)  Phobos A

Question 3

What observational technique allows astronomers to determine that Venus is rotating backwards?

Accepted Answer

A)  Mapping rotational patterns in Venus' cloud formations. 
B)  Doppler shift of radio signals bounced off Venus' equatorial regions. 
C)  Doppler shift of radio signals bounced off Venus' polar regions. 
D)  Mapping heat signatures on Venus's surface at different latitudes. 
A)  Mapping rotational patterns in Venus' cloud formations. 
B)  Doppler shift of radio signals bounced off Venus' equatorial regions. 
C)  Doppler shift of radio signals bounced off Venus' polar regions. 
D)  Mapping heat signatures on Venus's surface at different latitudes. B

Question 4

The surface of Venus is hotter than the surface of Mercury.

Accepted Answer

A) True 
 B)False

Question 5

The atmosphere on Mars is so thin that it's not visible in photographs taken from the surface.

Accepted Answer

A) True 
 B)False

Question 6

The flow patterns found on the surface of Mars suggest

Accepted Answer

A)  that Mars is a water-rich world. 
B)  that the climate on Mars was different in the past. 
C)  that volcanism is occurring on Mars. 
D)  that the polar caps are made of water. 
E)  all of the above 
A)  that Mars is a water-rich world. 
B)  that the climate on Mars was different in the past. 
C)  that volcanism is occurring on Mars. 
D)  that the polar caps are made of water. 
E)  all of the above

Question 7

The absence of folded mountain ranges on Mars suggests that it has been subjected to plate tectonics.

Accepted Answer

A) True 
 B)False

Question 8

The canals of Mars were eventually found to be crustal faults.

Accepted Answer

A) True 
 B)False

Question 9

In contrast to Earth,on Venus ____ the carbon dioxide that was out gassed from the planet via volcanoes.

Accepted Answer

A)  there was no removal of 
B)  there was little removal via rain and surface reaction with rocks of 
C)  there was total removal via freezing of 
D)  all of the above 
A)  there was no removal of 
B)  there was little removal via rain and surface reaction with rocks of 
C)  there was total removal via freezing of 
D)  all of the above

Question 10

Measurements of the magnetic field of Venus reveal that the

Accepted Answer

A)  planet has a large iron core. 
B)  interior of the planet is molten. 
C)  planet has no detectable magnetic field. 
D)  planet rotates backwards. 
E)  magnetic field is responsible for large auroral displays (northern lights)on Venus. 
A)  planet has a large iron core. 
B)  interior of the planet is molten. 
C)  planet has no detectable magnetic field. 
D)  planet rotates backwards. 
E)  magnetic field is responsible for large auroral displays (northern lights)on Venus.

Question 11

The atmosphere of Venus contains enough water vapor to make an ocean _________ deep.

Accepted Answer

A)  one foot 
B)  1000 feet 
C)  Wrong.Venus' atmosphere contains no water vapor at all 
A)  one foot 
B)  1000 feet 
C)  Wrong.Venus' atmosphere contains no water vapor at all

Question 12

Unprotected by an __________ the water vapor in the atmosphere of Venus has been ________________.

Accepted Answer

A)  ionosphere; broken into H and O by UV light 
B)  ionosphere; broken into C and O by UV light 
C)  carbon dioxide; broken into H and O by UV light 
A)  ionosphere; broken into H and O by UV light 
B)  ionosphere; broken into C and O by UV light 
C)  carbon dioxide; broken into H and O by UV light

Question 13

The terrestrial planet with the most efficient greenhouse effect is ____________________.

Accepted Answer

The answer of The terrestrial planet with the most efficient...

Question 14

One hypothesis suggested the explanation of the uniform age of the surface of Venus is that

Accepted Answer

A)  Venus' surface is 4 billion years old and has not been affected by flooding or slow evolution. 
B)  Venus' surface is made of rocks that are much harder than Earth's and thus last longer. 
C)  Venus' surface periodically goes through a catastrophic melting of the entire surface. 
D)  Venus' clouds protect it from meteorites so that very few impacts occur to change its surface. 
E)  dust storms deposit large amounts of dust on the surface making it appear of uniform age. 
A)  Venus' surface is 4 billion years old and has not been affected by flooding or slow evolution. 
B)  Venus' surface is made of rocks that are much harder than Earth's and thus last longer. 
C)  Venus' surface periodically goes through a catastrophic melting of the entire surface. 
D)  Venus' clouds protect it from meteorites so that very few impacts occur to change its surface. 
E)  dust storms deposit large amounts of dust on the surface making it appear of uniform age.

Question 15

Venus is the planet closest to Earth in mass.

Accepted Answer

A) True 
 B)False

Question 16

____________________ volcanoes have shallow slopes and are associated with hot spots.These types of volcanoes have been seen on the surface of Venus.

Accepted Answer

The answer of ____________________ volcanoes have shallow slopes and are...

Question 17

Phobos

Accepted Answer

A)  orbits Venus in a retrograde direction. 
B)  contains evidence of past volcanic activity on its surface. 
C)  always remains hidden behind Mars for observers on Earth. 
D)  has a very bright surface composed of frozen carbon dioxide. 
E)  orbits Mars faster than Mars rotates on its axis. 
A)  orbits Venus in a retrograde direction. 
B)  contains evidence of past volcanic activity on its surface. 
C)  always remains hidden behind Mars for observers on Earth. 
D)  has a very bright surface composed of frozen carbon dioxide. 
E)  orbits Mars faster than Mars rotates on its axis.

Question 18

The graph below plots the escape velocity of each planet along the vertical axis and its surface temperature along the horizontal.The lines plotted in the figure are the average speeds of gas particles as a function of temperature for various gases.Which planet plotted in this diagram has the second greatest escape velocity?

Accepted Answer

A)  Mars 
B)  Moon 
C)  Mercury 
D)  Earth 
E)  Venus 
A)  Mars 
B)  Moon 
C)  Mercury 
D)  Earth 
E)  Venus

Question 19

Which solar system object listed below is most similar to Earth in terms of mass and density?

Accepted Answer

A)  Mercury 
B)  Moon 
C)  Venus 
D)  Mars 
E)  Deimos 
A)  Mercury 
B)  Moon 
C)  Venus 
D)  Mars 
E)  Deimos

Question 20

Outgassing produces gas rich in carbon dioxide,nitrogen,and water vapor.

Accepted Answer

A) True 
 B)False

Exam 22: Venus and Mars

Mars is located 1.5 AU from the sun.What is its orbital period?

____ is a very long and deep canyon on Mars.

What observational technique allows astronomers to determine that Venus is rotating backwards?

The surface of Venus is hotter than the surface of Mercury.

The atmosphere on Mars is so thin that it's not visible in photographs taken from the surface.

The flow patterns found on the surface of Mars suggest

The absence of folded mountain ranges on Mars suggests that it has been subjected to plate tectonics.

The canals of Mars were eventually found to be crustal faults.

In contrast to Earth,on Venus ____ the carbon dioxide that was out gassed from the planet via volcanoes.

Measurements of the magnetic field of Venus reveal that the

The atmosphere of Venus contains enough water vapor to make an ocean _________ deep.

Unprotected by an __________ the water vapor in the atmosphere of Venus has been ________________.

The terrestrial planet with the most efficient greenhouse effect is ____________________.

One hypothesis suggested the explanation of the uniform age of the surface of Venus is that

Venus is the planet closest to Earth in mass.

____________________ volcanoes have shallow slopes and are associated with hot spots.These types of volcanoes have been seen on the surface of Venus.

Phobos

Which solar system object listed below is most similar to Earth in terms of mass and density?

Outgassing produces gas rich in carbon dioxide,nitrogen,and water vapor.

Here and Now

A Users Guide to the Sky

Cycles of the Moon

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

Earth: the Standard of Comparative Planetology

The Moon and Mercury: Comparing Airless Worlds

Jupiter and Saturn

Uranus,neptune,and the Kuiper Belt

Meteorites,asteroids,and Comets

Astrobiology: Life on Other Worlds

Filters

Unprotected by an the water vapor in the atmosphere of Venus has been ______.