Question 1

Venus Express is mapping what feature(s)of Venus?

Accepted Answer

A)  elevations of Venus' surface 
B)  winds in Venus' atmosphere 
C)  craters on Venus' surface 
D)  temperatures of the surface and various layers of the atmosphere 
E)  the composition of various layers of the atmosphere 
A)  elevations of Venus' surface 
B)  winds in Venus' atmosphere 
C)  craters on Venus' surface 
D)  temperatures of the surface and various layers of the atmosphere 
E)  the composition of various layers of the atmosphere

Question 2

The orbiter that gave us the most detailed maps of Venus' surface to date was:

Accepted Answer

A)  Pioneer 11. 
B)  Venera 14. 
C)  Magellan. 
D)  Galileo. 
E)  Venus Express. 
A)  Pioneer 11. 
B)  Venera 14. 
C)  Magellan. 
D)  Galileo. 
E)  Venus Express.

Question 3

What is the result of the Greenhouse Effect on the surface environment of Venus?

Accepted Answer

A)  It has little or no effect. 
B)  Its effect is about the same as on Earth. 
C)  It has reduced the surface temperature by about 30 degrees Celsius. 
D)  It has raised the surface temperature by hundreds of degrees Celsius. 
E)  It causes the surface temperature of Venus to become hotter than the Sun. 
A)  It has little or no effect. 
B)  Its effect is about the same as on Earth. 
C)  It has reduced the surface temperature by about 30 degrees Celsius. 
D)  It has raised the surface temperature by hundreds of degrees Celsius. 
E)  It causes the surface temperature of Venus to become hotter than the Sun.

Question 4

If Venus' clouds block much of the sunlight before it reaches the surface,why is the planet so hot?

Accepted Answer

The carbon dioxide in the dense atmosphe

Question 5

A surprise from the Pioneer Venus photos was that:

Accepted Answer

A)  the craters on Venus are all large. 
B)  the clouds rotate around the planet in only four days, very unlike the slow surface rotation. 
C)  the clouds of Venus are mainly water vapor, like our own. 
D)  the highest volcano, Maxwell Mons, protrudes above the cloud deck. 
E)  no impact craters at all are found on the Venusian surface. 
A)  the craters on Venus are all large. 
B)  the clouds rotate around the planet in only four days, very unlike the slow surface rotation. 
C)  the clouds of Venus are mainly water vapor, like our own. 
D)  the highest volcano, Maxwell Mons, protrudes above the cloud deck. 
E)  no impact craters at all are found on the Venusian surface.

Question 6

Venus has a feature named Aphrodite Terra.What is this feature?

Accepted Answer

A)  a very large volcano 
B)  a large impact crater 
C)  a continental-sized plateau 
D)  a large basin similar to the maria on the Moon 
E)  a great rift valley like Valles Marineris on Mars 
A)  a very large volcano 
B)  a large impact crater 
C)  a continental-sized plateau 
D)  a large basin similar to the maria on the Moon 
E)  a great rift valley like Valles Marineris on Mars

Question 7

If Mars' atmosphere is mostly carbon dioxide,why isn't it as hot as Venus?

Accepted Answer

Although it has a carbon dioxi

Question 8

The actual slow rotation of Venus was first found by radar observations from Earth.

Accepted Answer

A) True 
 B)False

Question 9

What is the composition of the clouds of Venus?

Accepted Answer

A)  water, like Earth's clouds 
B)  frozen carbon dioxide, as on Mars 
C)  a combination of ammonia and methane, like Uranus 
D)  sulfur and sulfuric acid droplets 
E)  hydrogen sulfide and ammonia 
A)  water, like Earth's clouds 
B)  frozen carbon dioxide, as on Mars 
C)  a combination of ammonia and methane, like Uranus 
D)  sulfur and sulfuric acid droplets 
E)  hydrogen sulfide and ammonia

Question 10

The terra of Venus are rare,but large continent size uplifted regions over a low surface.

Accepted Answer

A) True 
 B)False

Question 11

Why were the Russian Venera spacecraft so important to our understanding of Venus?

Accepted Answer

They were the first spacecraft

Question 12

Venus' surface temperature is fairly uniform,hot on both day and night sides.

Accepted Answer

A) True 
 B)False

Question 13

Why do our best radar maps of Venus come from the Magellan space probe?

Accepted Answer

Magellan went into orbit aroun

Question 14

Maxwell Mons on Venus is a huge:

Accepted Answer

A)  impact crater larger than Texas. 
B)  shield volcano. 
C)  rift valley. 
D)  tectonic mountain chain, like the Himalayas. 
E)  ocean basin larger than the Pacific Ocean. 
A)  impact crater larger than Texas. 
B)  shield volcano. 
C)  rift valley. 
D)  tectonic mountain chain, like the Himalayas. 
E)  ocean basin larger than the Pacific Ocean.

Question 15

The fact that Venus' atmosphere contains carbon dioxide was discovered:

Accepted Answer

A)  by the Magellan spacecraft. 
B)  in early spectroscopic studies. 
C)  by the Venera spacecraft. 
D)  in radar studies. 
E)  through CCD imagery. 
A)  by the Magellan spacecraft. 
B)  in early spectroscopic studies. 
C)  by the Venera spacecraft. 
D)  in radar studies. 
E)  through CCD imagery.

Question 16

Which of the following characterizes a shield volcano?

Accepted Answer

A)  It is dormant. 
B)  It can erupt only briefly before being dragged off the hot spot. 
C)  It sits above a hot spot in the planet's mantle. 
D)  It forms along a plate boundary. 
E)  It cannot grow very large, for it has a very short span of eruption. 
A)  It is dormant. 
B)  It can erupt only briefly before being dragged off the hot spot. 
C)  It sits above a hot spot in the planet's mantle. 
D)  It forms along a plate boundary. 
E)  It cannot grow very large, for it has a very short span of eruption.

Question 17

Venus' full phase occurs when Venus is at:

Accepted Answer

A)  opposition. 
B)  the deferent. 
C)  conjunction. 
D)  inferior conjunction. 
E)  superior conjunction. 
A)  opposition. 
B)  the deferent. 
C)  conjunction. 
D)  inferior conjunction. 
E)  superior conjunction.

Question 18

Venus can appear as a crescent through the telescope.

Accepted Answer

A) True 
 B)False

Question 19

Venus orbits the Sun in 225 days.How long does it take to rotate on its axis?

Accepted Answer

A)  225 days, so it keeps the same face toward the Sun 
B)  24 hours, 36 minutes, very similar to Earth and Mars 
C)  243 days, even though the Earth's tidal pull is not involved 
D)  36 days, for reasons unknown 
E)  450 days, exactly at 2:1 spin-orbit resonance 
A)  225 days, so it keeps the same face toward the Sun 
B)  24 hours, 36 minutes, very similar to Earth and Mars 
C)  243 days, even though the Earth's tidal pull is not involved 
D)  36 days, for reasons unknown 
E)  450 days, exactly at 2:1 spin-orbit resonance

Question 20

Various observations suggest there may be recent or even continuing volcanic activity on Venus.Which of the following has NOT been observed?

Accepted Answer

A)  bursts of radio energy, similar to those produced by lightning discharges occurring in the plumes of erupting volcanoes on Earth 
B)  spacecraft detection over a period of days of flowing lava on Venus 
C)  fluctuations in the level of sulfur dioxide in the planet's atmosphere 
D)  surface features resembling rift valleys on Earth 
E)  larger shield volcanoes than Hawaii 
A)  bursts of radio energy, similar to those produced by lightning discharges occurring in the plumes of erupting volcanoes on Earth 
B)  spacecraft detection over a period of days of flowing lava on Venus 
C)  fluctuations in the level of sulfur dioxide in the planet's atmosphere 
D)  surface features resembling rift valleys on Earth 
E)  larger shield volcanoes than Hawaii

Exam 9: Venus: Earth's Sister Planet

Venus Express is mapping what feature(s)of Venus?

The orbiter that gave us the most detailed maps of Venus' surface to date was:

What is the result of the Greenhouse Effect on the surface environment of Venus?

If Venus' clouds block much of the sunlight before it reaches the surface,why is the planet so hot?

A surprise from the Pioneer Venus photos was that:

Venus has a feature named Aphrodite Terra.What is this feature?

If Mars' atmosphere is mostly carbon dioxide,why isn't it as hot as Venus?

The actual slow rotation of Venus was first found by radar observations from Earth.

What is the composition of the clouds of Venus?

The terra of Venus are rare,but large continent size uplifted regions over a low surface.

Why were the Russian Venera spacecraft so important to our understanding of Venus?

Venus' surface temperature is fairly uniform,hot on both day and night sides.

Why do our best radar maps of Venus come from the Magellan space probe?

Maxwell Mons on Venus is a huge:

The fact that Venus' atmosphere contains carbon dioxide was discovered:

Which of the following characterizes a shield volcano?

Venus' full phase occurs when Venus is at:

Venus can appear as a crescent through the telescope.

Venus orbits the Sun in 225 days.How long does it take to rotate on its axis?

Various observations suggest there may be recent or even continuing volcanic activity on Venus.Which of the following has NOT been observed?

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information from the Cosmos

Spectroscopy: The Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Mars: A Near Miss for Life?

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants,Dwarfs,and the Main Sequence

The Interstellar Medium: Gas and Dust among the Stars

Star Formation: A Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae,Supernovae,and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: A Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone?

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