Question 1

What are the three periods of Mars's planetary history?

Accepted Answer

Noachian,

Question 2

Describe the surface features of Venus. If the atmosphere is so thick and the planet is so hot, how do we know about these surface features on Venus?

Accepted Answer

Most of the surface of Venus consists of

Question 3

The ______ period on Mars is characterized by heavy bombardment, flooding, and volcanism.

Accepted Answer

A)  Tharsis 
B)  Deimos 
C)  Amazonian 
D)  Noachian 
E)  Hesperian 
A)  Tharsis 
B)  Deimos 
C)  Amazonian 
D)  Noachian 
E)  Hesperian

Question 4

What is Olympus Mons and where is it found?

Accepted Answer

A)  a crater on our Moon 
B)  a volcano on the planet Mars 
C)  a sinuous rille on Venus 
D)  a caldera on the planet Venus 
E)  a lobate scarp on Mars 
A)  a crater on our Moon 
B)  a volcano on the planet Mars 
C)  a sinuous rille on Venus 
D)  a caldera on the planet Venus 
E)  a lobate scarp on Mars

Question 5

Why are volcanoes so large on Venus and on Mars?

Accepted Answer

Volcanoes have grown very larg

Question 6

Venus has many more _______________ than Earth, but not nearly as many as Earth's Moon.

Accepted Answer

The answer of Venus has many more _______________ than Earth,...

Question 7

How is it that Earth has less CO2 in its atmosphere than Venus, even though both planets likely outgassed the about the same amount of CO2 during their development?

Accepted Answer

A)  Earth absorbed most of the CO2 into its oceans. 
B)  Venus absorbed most of the CO2 into its oceans. 
C)  Earth lost most of its CO2 because of weak gravity. 
D)  Venus rotates too slowly to lose any of its CO2. 
E)  Venus retained much of its CO2 in polar ice. 
A)  Earth absorbed most of the CO2 into its oceans. 
B)  Venus absorbed most of the CO2 into its oceans. 
C)  Earth lost most of its CO2 because of weak gravity. 
D)  Venus rotates too slowly to lose any of its CO2. 
E)  Venus retained much of its CO2 in polar ice.

Question 8

What keeps the surface temperatures constant all over Venus?

Accepted Answer

A)  a high level of deuterium within its atmosphere 
B)  a thick layer of water vapor just above the surface 
C)  a greenhouse effect holding in the heat 
D)  a slow, retrograde rotation on its axis 
E)  a thick atmosphere and high winds carry heat efficiently 
A)  a high level of deuterium within its atmosphere 
B)  a thick layer of water vapor just above the surface 
C)  a greenhouse effect holding in the heat 
D)  a slow, retrograde rotation on its axis 
E)  a thick atmosphere and high winds carry heat efficiently

Question 9

The excess deuterium in Venus's atmosphere indicates that Venus currently has substantial amounts of water on its surface.

Accepted Answer

A) True 
 B)False

Question 10

The air on Mars is 95% nitrogen and argon

Accepted Answer

A) True 
 B)False

Question 11

Which statement best describes the atmosphere of Venus?

Accepted Answer

A)  Similar to Earth, it contains mostly nitrogen and oxygen. 
B)  Venus' atmosphere is high in carbon dioxide and considered a runaway greenhouse. 
C)  Venus has a negligible atmosphere. 
D)  Similar to Uranus, it contains mostly methane. 
E)  Similar to Mercury, it has a thin atmosphere high in carbon dioxide. 
A)  Similar to Earth, it contains mostly nitrogen and oxygen. 
B)  Venus' atmosphere is high in carbon dioxide and considered a runaway greenhouse. 
C)  Venus has a negligible atmosphere. 
D)  Similar to Uranus, it contains mostly methane. 
E)  Similar to Mercury, it has a thin atmosphere high in carbon dioxide.

Question 12

Which is a unique characteristic of Venus not shared by the other Terrestrial planets?

Accepted Answer

A)  The planet has an atmosphere. 
B)  The planet has volcanoes on its surface. 
C)  The planet experiences retrograde rotation. 
D)  The planet has a strong magnetic field. 
E)  The planet once had water on its surface. 
A)  The planet has an atmosphere. 
B)  The planet has volcanoes on its surface. 
C)  The planet experiences retrograde rotation. 
D)  The planet has a strong magnetic field. 
E)  The planet once had water on its surface.

Question 13

What is the current dominant geological process on Mars?

Accepted Answer

A)  plate tectonics 
B)  volcanism 
C)  wind erosion 
D)  water erosion 
E)  cratering 
A)  plate tectonics 
B)  volcanism 
C)  wind erosion 
D)  water erosion 
E)  cratering

Question 14

The surface rocks on Venus are similar to ____ rocks on Earth.

Accepted Answer

A)  oxide-rich 
B)  anorthosite 
C)  sedimentary 
D)  granitic 
E)  basaltic 
A)  oxide-rich 
B)  anorthosite 
C)  sedimentary 
D)  granitic 
E)  basaltic

Question 15

What keeps water frozen on Mars?

Accepted Answer

A)  The constant subzero surface temperatures 
B)  The low atmospheric pressure of the planet 
C)  The distance between Mars and the Sun 
D)  The relatively quick rotation period 
E)  The negligible axis tilt of the planet 
A)  The constant subzero surface temperatures 
B)  The low atmospheric pressure of the planet 
C)  The distance between Mars and the Sun 
D)  The relatively quick rotation period 
E)  The negligible axis tilt of the planet

Question 16

Carbon dioxide is ________ to visible light, but ________  to infrared radiation.

Accepted Answer

transparen

Question 17

Shield volcanoes, like those on Venus and Mars, occur ____.

Accepted Answer

A)  over a hot spot 
B)  along a subduction zone 
C)  Inside a chamber 
D)  along plate boundaries 
E)  within a caldera 
A)  over a hot spot 
B)  along a subduction zone 
C)  Inside a chamber 
D)  along plate boundaries 
E)  within a caldera

Question 18

The instruments of the Mars Odyssey spacecraft detected water frozen in the soil over large areas of Mars.

Accepted Answer

A) True 
 B)False

Question 19

The Venus's atmosphere contains 96 percent _______________.

Accepted Answer

The answer of The Venus's atmosphere contains 96 percent _______________....

Question 20

Why can't Venus's atmosphere break up into small cyclonic storms, like Earth?

Accepted Answer

A)  Venus rotates too slowly. 
B)  Venus rotates backwards. 
C)  Venus has a long orbital period. 
D)  Venus has too much CO2 in its atmosphere. 
E)  Venus has no ozone layer to support cyclonic storms. 
A)  Venus rotates too slowly. 
B)  Venus rotates backwards. 
C)  Venus has a long orbital period. 
D)  Venus has too much CO2 in its atmosphere. 
E)  Venus has no ozone layer to support cyclonic storms.

What are the three periods of Mars's planetary history?

Describe the surface features of Venus. If the atmosphere is so thick and the planet is so hot, how do we know about these surface features on Venus?

The ______ period on Mars is characterized by heavy bombardment, flooding, and volcanism.

What is Olympus Mons and where is it found?

Why are volcanoes so large on Venus and on Mars?

Venus has many more _______________ than Earth, but not nearly as many as Earth's Moon.

How is it that Earth has less CO₂ in its atmosphere than Venus, even though both planets likely outgassed the about the same amount of CO₂ during their development?

What keeps the surface temperatures constant all over Venus?

The excess deuterium in Venus's atmosphere indicates that Venus currently has substantial amounts of water on its surface.

The air on Mars is 95% nitrogen and argon

Which statement best describes the atmosphere of Venus?

Which is a unique characteristic of Venus not shared by the other Terrestrial planets?

What is the current dominant geological process on Mars?

The surface rocks on Venus are similar to ____ rocks on Earth.

What keeps water frozen on Mars?

Carbon dioxide is to visible light, but to infrared radiation.

Shield volcanoes, like those on Venus and Mars, occur ____.

The instruments of the Mars Odyssey spacecraft detected water frozen in the soil over large areas of Mars.

The Venus's atmosphere contains 96 percent _______________.

Why can't Venus's atmosphere break up into small cyclonic storms, like Earth?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 13: Venus and Mars

What are the three periods of Mars's planetary history?

Describe the surface features of Venus. If the atmosphere is so thick and the planet is so hot, how do we know about these surface features on Venus?

The ______ period on Mars is characterized by heavy bombardment, flooding, and volcanism.

What is Olympus Mons and where is it found?

Why are volcanoes so large on Venus and on Mars?

Venus has many more _______________ than Earth, but not nearly as many as Earth's Moon.

How is it that Earth has less CO2 in its atmosphere than Venus, even though both planets likely outgassed the about the same amount of CO2 during their development?

What keeps the surface temperatures constant all over Venus?

The excess deuterium in Venus's atmosphere indicates that Venus currently has substantial amounts of water on its surface.

The air on Mars is 95% nitrogen and argon

Which statement best describes the atmosphere of Venus?

Which is a unique characteristic of Venus not shared by the other Terrestrial planets?

What is the current dominant geological process on Mars?

The surface rocks on Venus are similar to ____ rocks on Earth.

What keeps water frozen on Mars?

Carbon dioxide is ________ to visible light, but ________ to infrared radiation.

Shield volcanoes, like those on Venus and Mars, occur ____.

The instruments of the Mars Odyssey spacecraft detected water frozen in the soil over large areas of Mars.

The Venus's atmosphere contains 96 percent _______________.

Why can't Venus's atmosphere break up into small cyclonic storms, like Earth?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters

How is it that Earth has less CO₂ in its atmosphere than Venus, even though both planets likely outgassed the about the same amount of CO₂ during their development?

Carbon dioxide is to visible light, but to infrared radiation.