Question 1

All of the terrestrial planets have plate tectonics with converging and spreading plates similar to Earth's.

Accepted Answer

A) True 
 B)False

Question 2

Much of the water on Earth,Venus,and Mars has come from outgassing of water vapor from volcanoes.Much of the remainder is believed to have come from

Accepted Answer

A)  chemical reactions,which have produced water from more complex molecules. 
B)  the combination of elemental hydrogen and oxygen in the atmosphere,the reaction powered by high-energy ultraviolet rays. 
C)  baking of rocks containing water. 
D)  the impacts of comets. 
A)  chemical reactions,which have produced water from more complex molecules. 
B)  the combination of elemental hydrogen and oxygen in the atmosphere,the reaction powered by high-energy ultraviolet rays. 
C)  baking of rocks containing water. 
D)  the impacts of comets.

Question 3

How is Europa's interior kept heated?

Accepted Answer

A)  Jupiter's strong magnetic field causes the core to stay molten. 
B)  Solar radiation causes a runaway greenhouse effect. 
C)  It is large enough to retain much of its internal energy from when it first formed. 
D)  Continuous stress caused by its intense gravitational interaction with Jupiter. 
A)  Jupiter's strong magnetic field causes the core to stay molten. 
B)  Solar radiation causes a runaway greenhouse effect. 
C)  It is large enough to retain much of its internal energy from when it first formed. 
D)  Continuous stress caused by its intense gravitational interaction with Jupiter.

Question 4

If Venus has a thick,unbroken layer of clouds,how do astronomers have a map of the surface?

Accepted Answer

Several Venus orbiters carried

Question 5

Europa,one of the Galilean satellites of Jupiter,has a surface consisting of

Accepted Answer

A)  rock,heavily cratered like the highlands of our Moon. 
B)  an ancient,icy crust covered with numerous craters;no surface cracks or groove belts that would indicate internal activity. 
C)  a relatively young,icy crust covered with a network of streaks and cracks,and only a few impact craters. 
D)  an icy crust showing two interlocking types of terrain,one ancient and heavily cratered,the other younger with systems of parallel grooves. 
A)  rock,heavily cratered like the highlands of our Moon. 
B)  an ancient,icy crust covered with numerous craters;no surface cracks or groove belts that would indicate internal activity. 
C)  a relatively young,icy crust covered with a network of streaks and cracks,and only a few impact craters. 
D)  an icy crust showing two interlocking types of terrain,one ancient and heavily cratered,the other younger with systems of parallel grooves.

Question 6

Venus's atmosphere is extremely hot and dense.

Accepted Answer

A) True 
 B)False

Question 7

X-rays were used to map the surface of Venus.

Accepted Answer

A) True 
 B)False

Question 8

The original atmospheres of Venus,Earth,and Mars were all derived from

Accepted Answer

A)  captured solar wind. 
B)  comets striking the surface and vaporizing. 
C)  gasses that were emitted or outgassed from volcanoes. 
D)  the emissions of anaerobic bacteria. 
A)  captured solar wind. 
B)  comets striking the surface and vaporizing. 
C)  gasses that were emitted or outgassed from volcanoes. 
D)  the emissions of anaerobic bacteria.

Question 9

Many craters on the Moon are characterized by a central peak.What is the significance of this?

Accepted Answer

A)  This is strong evidence that lunar craters are volcanic in origin. 
B)  A central peak is characteristic of an impact crater formed by a shock wave. 
C)  The crater has dug into the lunar surface far enough to uncover an ancient mountain range. 
D)  The crater was formed by impact,but it has penetrated into the lunar surface far enough to evoke lava flow,which has produced a volcanic cone. 
A)  This is strong evidence that lunar craters are volcanic in origin. 
B)  A central peak is characteristic of an impact crater formed by a shock wave. 
C)  The crater has dug into the lunar surface far enough to uncover an ancient mountain range. 
D)  The crater was formed by impact,but it has penetrated into the lunar surface far enough to evoke lava flow,which has produced a volcanic cone.

Question 10

What is the most likely cause of the smooth and relatively crater-free surfaces of lunar maria?

Accepted Answer

A)  Volcanic ash that rained on the surfaces of the basins in recent geological times 
B)  Dust storms that eroded and smoothed the surface 
C)  Sediments left behind after water flowed into the basins and evaporated 
D)  Lava flows relatively late in the geological history of the Moon 
A)  Volcanic ash that rained on the surfaces of the basins in recent geological times 
B)  Dust storms that eroded and smoothed the surface 
C)  Sediments left behind after water flowed into the basins and evaporated 
D)  Lava flows relatively late in the geological history of the Moon

Question 11

What is a runaway icehouse effect?

Accepted Answer

This is the reverse of a runaway greenho

Question 12

In order to measure Venus's rotation,it was necessary to send a beam of electromagnetic radiation through the cloud layer.This electromagnetic radiation was

Accepted Answer

A)  ultraviolet. 
B)  visible. 
C)  infrared. 
D)  short-wave radio or microwave. 
A)  ultraviolet. 
B)  visible. 
C)  infrared. 
D)  short-wave radio or microwave.

Question 13

The surface features and topology of Venus have been determined primarily by

Accepted Answer

A)  radar methods from Earth and from Venus-orbiting spacecraft detecting reflected radio and microwaves from the surface. 
B)  surface-lander vehicles that have explored the surface. 
C)  visible light and UV photography from the Hubble Space Telescope and Earth-bound telescopes. 
D)  balloon-borne spacecraft launched into the Venus atmosphere by spacecraft. 
A)  radar methods from Earth and from Venus-orbiting spacecraft detecting reflected radio and microwaves from the surface. 
B)  surface-lander vehicles that have explored the surface. 
C)  visible light and UV photography from the Hubble Space Telescope and Earth-bound telescopes. 
D)  balloon-borne spacecraft launched into the Venus atmosphere by spacecraft.

Question 14

Which of the planets fits the following

Accepted Answer

A)  Venus 
B)  Jupiter 
C)  Mars 
D)  Mercury 
A)  Venus 
B)  Jupiter 
C)  Mars 
D)  Mercury

Question 15

Naked-eye observations of Mercury are best made at midnight.

Accepted Answer

A) True 
 B)False

Question 16

Most of the volcanoes on Earth are found

Accepted Answer

A)  around the equator. 
B)  in the center of tectonic plates. 
C)  near the boundaries of tectonic plates. 
D)  around the poles. 
A)  around the equator. 
B)  in the center of tectonic plates. 
C)  near the boundaries of tectonic plates. 
D)  around the poles.

Question 17

Craters on Mercury appear to have been produced by

Accepted Answer

A)  impacts by objects from space continuously throughout the planet's history,including very recently in geological time. 
B)  volcanic eruptions early in the planet's history. 
C)  successive expansion and contraction of the planet's surface,caused by intense heating by the Sun and severe cooling during rotation,because the craters appear to be in irregular lines across the surface. 
D)  impacts from objects early in the planet's history. 
A)  impacts by objects from space continuously throughout the planet's history,including very recently in geological time. 
B)  volcanic eruptions early in the planet's history. 
C)  successive expansion and contraction of the planet's surface,caused by intense heating by the Sun and severe cooling during rotation,because the craters appear to be in irregular lines across the surface. 
D)  impacts from objects early in the planet's history.

Question 18

Hot-spot volcanoes on Earth are only found on the continent of Australia.

Accepted Answer

A) True 
 B)False

Question 19

The atmosphere on this planet decreases with altitude,then increases,then decreases,and then increases again.

Accepted Answer

A)  Venus 
B)  Earth 
C)  Mars 
D)  All of these 
A)  Venus 
B)  Earth 
C)  Mars 
D)  All of these

Question 20

Where is ice believed to have been discovered on the Moon?

Accepted Answer

A)  In the floors of craters at the north and south poles,which are permanently shaded from the Sun 
B)  No ice has ever been discovered on the Moon because water cannot exist there in any form. 
C)  In permafrost under the surface of the lunar highlands 
D)  As subsurface deposits in maria,from water released by molten lava and trapped under solidified crust 
A)  In the floors of craters at the north and south poles,which are permanently shaded from the Sun 
B)  No ice has ever been discovered on the Moon because water cannot exist there in any form. 
C)  In permafrost under the surface of the lunar highlands 
D)  As subsurface deposits in maria,from water released by molten lava and trapped under solidified crust

All of the terrestrial planets have plate tectonics with converging and spreading plates similar to Earth's.

Much of the water on Earth,Venus,and Mars has come from outgassing of water vapor from volcanoes.Much of the remainder is believed to have come from

How is Europa's interior kept heated?

If Venus has a thick,unbroken layer of clouds,how do astronomers have a map of the surface?

Europa,one of the Galilean satellites of Jupiter,has a surface consisting of

Venus's atmosphere is extremely hot and dense.

X-rays were used to map the surface of Venus.

The original atmospheres of Venus,Earth,and Mars were all derived from

Many craters on the Moon are characterized by a central peak.What is the significance of this?

What is the most likely cause of the smooth and relatively crater-free surfaces of lunar maria?

What is a runaway icehouse effect?

In order to measure Venus's rotation,it was necessary to send a beam of electromagnetic radiation through the cloud layer.This electromagnetic radiation was

The surface features and topology of Venus have been determined primarily by

Which of the planets fits the following

Naked-eye observations of Mercury are best made at midnight.

Most of the volcanoes on Earth are found

Craters on Mercury appear to have been produced by

Hot-spot volcanoes on Earth are only found on the continent of Australia.

The atmosphere on this planet decreases with altitude,then increases,then decreases,and then increases again.

Where is ice believed to have been discovered on the Moon?

Predicting the Motions of the Stars, Sun, and Moon

Decoding the Hidden Messages in Starlight

Analyzing Scales and Motions of the Universe

Exploring Our Evolving Solar System

Uncovering Earths Systems

Observing the Dynamic Giant Planets

Looking for Life Beyond Earth

Probing the Dynamic Sun

Observing Properties of Distant Stars

Inferring Patterns in Star Life Cycles

Predicting the Violent End of the Largest Stars

Exploring Our Galaxy

Investigating Other Galaxies

Observing the Evolution of the Universe

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Exam 6: Exploring Terrestrial Surface Processes and Atmospheres

All of the terrestrial planets have plate tectonics with converging and spreading plates similar to Earth's.

Much of the water on Earth,Venus,and Mars has come from outgassing of water vapor from volcanoes.Much of the remainder is believed to have come from

How is Europa's interior kept heated?

If Venus has a thick,unbroken layer of clouds,how do astronomers have a map of the surface?

Europa,one of the Galilean satellites of Jupiter,has a surface consisting of

Venus's atmosphere is extremely hot and dense.

X-rays were used to map the surface of Venus.

The original atmospheres of Venus,Earth,and Mars were all derived from

Many craters on the Moon are characterized by a central peak.What is the significance of this?

What is the most likely cause of the smooth and relatively crater-free surfaces of lunar maria?

What is a runaway icehouse effect?

In order to measure Venus's rotation,it was necessary to send a beam of electromagnetic radiation through the cloud layer.This electromagnetic radiation was

The surface features and topology of Venus have been determined primarily by

Which of the planets fits the following

Naked-eye observations of Mercury are best made at midnight.

Most of the volcanoes on Earth are found

Craters on Mercury appear to have been produced by

Hot-spot volcanoes on Earth are only found on the continent of Australia.

The atmosphere on this planet decreases with altitude,then increases,then decreases,and then increases again.

Where is ice believed to have been discovered on the Moon?

Predicting the Motions of the Stars, Sun, and Moon

Decoding the Hidden Messages in Starlight

Analyzing Scales and Motions of the Universe

Exploring Our Evolving Solar System

Uncovering Earths Systems

Observing the Dynamic Giant Planets

Looking for Life Beyond Earth

Probing the Dynamic Sun

Observing Properties of Distant Stars

Inferring Patterns in Star Life Cycles

Predicting the Violent End of the Largest Stars

Exploring Our Galaxy

Investigating Other Galaxies

Observing the Evolution of the Universe

Filters