Question 1

Venus' lack of magnetic field means that:

Accepted Answer

A)  there is no lightning on Venus. 
B)  the surface of Venus has no protection from the Sun's radiation. 
C)  it doesn't have a liquid metallic core. 
D)  Venus' upper atmosphere is permanently ionized. 
E)  there are constant aurorae everywhere on Venus. 
A)  there is no lightning on Venus. 
B)  the surface of Venus has no protection from the Sun's radiation. 
C)  it doesn't have a liquid metallic core. 
D)  Venus' upper atmosphere is permanently ionized. 
E)  there are constant aurorae everywhere on Venus.

Question 2

Why does Venus appear so bright to the eye?

Accepted Answer

A)  It gets closer to us than any other planet does. 
B)  Venus is closer to the Sun, so gets more intense sunlight. 
C)  The planet's cloud-cover is highly reflective, reflecting 60% of the Sun's light. 
D)  As seen from Earth, the disk of Venus can appear larger than any other planet's. 
E)  All of the above are correct. 
A)  It gets closer to us than any other planet does. 
B)  Venus is closer to the Sun, so gets more intense sunlight. 
C)  The planet's cloud-cover is highly reflective, reflecting 60% of the Sun's light. 
D)  As seen from Earth, the disk of Venus can appear larger than any other planet's. 
E)  All of the above are correct.

Question 3

The planet ________ has the least variation in temperatures on the surface between day and night.

Accepted Answer

The answer of The planet ________ has the least variation...

Question 4

The clouds of Venus are much higher in its atmosphere than are those in our troposphere.

Accepted Answer

A) True 
 B)False

Question 5

Comparing the clouds of Earth and Venus,we find that:

Accepted Answer

A)  both are made chiefly of water vapor. 
B)  ours lie in the troposphere, within 10 kilometer of our surface, but Venus has a higher troposphere, with its clouds about 40 kilometers high. 
C)  like ours, they rotate around Venus slower than Venus rotates on its axis. 
D)  Venus has much more carbon dioxide, so dry ice clouds dominate. 
E)  Venus is too hot for clouds to form, so we see only a barren world telescopically. 
A)  both are made chiefly of water vapor. 
B)  ours lie in the troposphere, within 10 kilometer of our surface, but Venus has a higher troposphere, with its clouds about 40 kilometers high. 
C)  like ours, they rotate around Venus slower than Venus rotates on its axis. 
D)  Venus has much more carbon dioxide, so dry ice clouds dominate. 
E)  Venus is too hot for clouds to form, so we see only a barren world telescopically.

Question 6

Most of the time,Venus is the third-brightest object in the sky.

Accepted Answer

A) True 
 B)False

Question 7

The only spacecraft to successfully land on Venus were:

Accepted Answer

A)  ESA's Giotto. 
B)  Russian Veneras. 
C)  NASA's Vikings. 
D)  NASA's Magellan. 
E)  NASA's Venus Rovers. 
A)  ESA's Giotto. 
B)  Russian Veneras. 
C)  NASA's Vikings. 
D)  NASA's Magellan. 
E)  NASA's Venus Rovers.

Question 8

The synodic period of Venus is the time it takes for:

Accepted Answer

A)  Venus to complete a full orbit around the Sun. 
B)  Venus to complete a full rotation on its axis. 
C)  Venus to complete a full cycle of phases. 
D)  Earth to complete a full orbit around the Sun. 
E)  Earth to go from opposition to conjunction, relative to Venus. 
A)  Venus to complete a full orbit around the Sun. 
B)  Venus to complete a full rotation on its axis. 
C)  Venus to complete a full cycle of phases. 
D)  Earth to complete a full orbit around the Sun. 
E)  Earth to go from opposition to conjunction, relative to Venus.

Question 9

What is unusual about the rotational (spin)and orbital periods of Venus?

Accepted Answer

Venus' day is actually longer

Question 10

No evidence of impact craters has been found on Venus.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following contributes to Venus being so hot?

Accepted Answer

A)  It is closer than Earth to the Sun. 
B)  Its atmosphere is much denser than the Earth's. 
C)  Its atmosphere is made chiefly of carbon dioxide. 
D)  It has very little axial tilt so the equator is always directly exposed to the Sun. 
E)  All of the above are factors. 
A)  It is closer than Earth to the Sun. 
B)  Its atmosphere is much denser than the Earth's. 
C)  Its atmosphere is made chiefly of carbon dioxide. 
D)  It has very little axial tilt so the equator is always directly exposed to the Sun. 
E)  All of the above are factors.

Question 12

Compared to Earth,Venus has:

Accepted Answer

A)  a more transparent atmosphere. 
B)  a lower average surface temperature. 
C)  a far greater percentage of its surface in low-level ocean basins. 
D)  about the same percentage of its surface in raised continents. 
E)  a far greater percentage of its surface in raised continents. 
A)  a more transparent atmosphere. 
B)  a lower average surface temperature. 
C)  a far greater percentage of its surface in low-level ocean basins. 
D)  about the same percentage of its surface in raised continents. 
E)  a far greater percentage of its surface in raised continents.

Question 13

Our sister planet does not show plate tectonics on its surface to the degree our Earth does.What are possible explanations?

Accepted Answer

Perhaps the high temperature of the Venu

Question 14

Since its density is similar to ours,we think that Venus too has a core of ________.

Accepted Answer

The answer of Since its density is similar to ours,we...

Question 15

Other than its atmosphere,name two properties of Venus that are unique among the terrestrial planets.

Accepted Answer

Venus rotates clockw

Question 16

The synodic period of Venus is about how many Earth years?

Accepted Answer

A)  about 5 years 
B)  about 3.5 years 
C)  about 2 years 
D)  about 1.25 years 
E)  about 0.7 years 
A)  about 5 years 
B)  about 3.5 years 
C)  about 2 years 
D)  about 1.25 years 
E)  about 0.7 years

Question 17

Compared to Earth,Venus spins very rapidly.

Accepted Answer

A) True 
 B)False

Question 18

Venus can be seen during daytime when it is near greatest brilliancy.

Accepted Answer

A) True 
 B)False

Question 19

A characteristic of shield volcanoes is the formation of a crater at the summit which occurs when:

Accepted Answer

A)  the volcano erupts explosively. 
B)  the lava withdraws and the surface collapses. 
C)  the lava flows melt through the thin crust of the peak. 
D)  the underlying hot spot suddenly turns on. 
E)  the volcano is impacted by a large meteorite. 
A)  the volcano erupts explosively. 
B)  the lava withdraws and the surface collapses. 
C)  the lava flows melt through the thin crust of the peak. 
D)  the underlying hot spot suddenly turns on. 
E)  the volcano is impacted by a large meteorite.

Question 20

The Russian ________ probes are the only ones to successfully land on Venus.

Accepted Answer

The answer of The Russian ________ probes are the only...

Exam 9: Venus: Earth's Sister Planet

Venus' lack of magnetic field means that:

Why does Venus appear so bright to the eye?

The planet ________ has the least variation in temperatures on the surface between day and night.

The clouds of Venus are much higher in its atmosphere than are those in our troposphere.

Comparing the clouds of Earth and Venus,we find that:

Most of the time,Venus is the third-brightest object in the sky.

The only spacecraft to successfully land on Venus were:

The synodic period of Venus is the time it takes for:

What is unusual about the rotational (spin)and orbital periods of Venus?

No evidence of impact craters has been found on Venus.

Which of the following contributes to Venus being so hot?

Compared to Earth,Venus has:

Our sister planet does not show plate tectonics on its surface to the degree our Earth does.What are possible explanations?

Since its density is similar to ours,we think that Venus too has a core of ________.

Other than its atmosphere,name two properties of Venus that are unique among the terrestrial planets.

The synodic period of Venus is about how many Earth years?

Compared to Earth,Venus spins very rapidly.

Venus can be seen during daytime when it is near greatest brilliancy.

A characteristic of shield volcanoes is the formation of a crater at the summit which occurs when:

The Russian ________ probes are the only ones to successfully land on Venus.

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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