Question 1

The cause of Venus' slow rotation is unknown at present.

Accepted Answer

A) True 
 B)False

Question 2

Through radar observations it was found that Venus':

Accepted Answer

A)  orbit around the Sun is speeding up. 
B)  atmosphere is changing rapidly. 
C)  rotation on its axis is retrograde. 
D)  orbit around the Sun is in the clockwise sense. 
E)  orbital period is 243 days. 
A)  orbit around the Sun is speeding up. 
B)  atmosphere is changing rapidly. 
C)  rotation on its axis is retrograde. 
D)  orbit around the Sun is in the clockwise sense. 
E)  orbital period is 243 days.

Question 3

Venus is almost the same size,mass,and density as the Earth.

Accepted Answer

A) True 
 B)False

Question 4

What is the primary effect that the carbon dioxide in Venus' atmosphere has on the planet?

Accepted Answer

The high concentration of carb

Question 5

Why is Venus' rotation unusual?

Accepted Answer

Venus is the only te

Question 6

Discuss the evidence that suggests that Venus is still very active volcanically.

Accepted Answer

There are hundreds of volcanoes on the s

Question 7

At closest approach Venus is about how far from Earth?

Accepted Answer

A)  0.7 AU 
B)  0.5 AU 
C)  0.4 AU 
D)  0.3 AU 
E)  0.1 AU 
A)  0.7 AU 
B)  0.5 AU 
C)  0.4 AU 
D)  0.3 AU 
E)  0.1 AU

Question 8

Why is it reasonable to conclude that the internal structure and evolution of Venus are basically Earthlike?

Accepted Answer

A)  They have similar atmospheres and masses. 
B)  They have similar masses and sizes. 
C)  They have similar surface features and sizes. 
D)  They have similar atmospheres and chemical compositions. 
E)  They have similar chemical compositions and surface features. 
A)  They have similar atmospheres and masses. 
B)  They have similar masses and sizes. 
C)  They have similar surface features and sizes. 
D)  They have similar atmospheres and chemical compositions. 
E)  They have similar chemical compositions and surface features.

Question 9

Venus' high surface temperature is due to the ________ effect.

Accepted Answer

The answer of Venus' high surface temperature is due to...

Question 10

Earth and Venus are often called sister planets; in which ways are they most alike?

Accepted Answer

A)  atmospheric composition and density 
B)  size, density, and surface gravity 
C)  surface temperature and pressure 
D)  cloud composition and meteorology 
E)  polar caps and rusty red deserts 
A)  atmospheric composition and density 
B)  size, density, and surface gravity 
C)  surface temperature and pressure 
D)  cloud composition and meteorology 
E)  polar caps and rusty red deserts

Question 11

In the time between two closest approaches to Earth,Venus rotates almost exactly five times relative to the Sun.The consequence of this is that:

Accepted Answer

A)  Earth always presents the same face to Venus at inferior conjunction. 
B)  Venus always presents the same face to Earth at inferior conjunction. 
C)  Venus presents the opposite hemisphere to Earth at each inferior conjunction. 
D)  Venus presents the opposite hemisphere to Earth at each superior conjunction. 
E)  Venus' rotation is completely unrelated to the distant Earth. 
A)  Earth always presents the same face to Venus at inferior conjunction. 
B)  Venus always presents the same face to Earth at inferior conjunction. 
C)  Venus presents the opposite hemisphere to Earth at each inferior conjunction. 
D)  Venus presents the opposite hemisphere to Earth at each superior conjunction. 
E)  Venus' rotation is completely unrelated to the distant Earth.

Question 12

Describe how conditions on Venus have produced a runaway Greenhouse Effect.

Accepted Answer

Because of Venus' proximity to the Sun,c

Question 13

Venus' rotation period is longer than its year.

Accepted Answer

A) True 
 B)False

Question 14

The atmospheric pressure on Venus:

Accepted Answer

A)  shows an extreme change with the seasons. 
B)  is much lower than on Earth. 
C)  is about the same as on Mercury. 
D)  is much higher than on Earth. 
E)  causes variations in surface temperature. 
A)  shows an extreme change with the seasons. 
B)  is much lower than on Earth. 
C)  is about the same as on Mercury. 
D)  is much higher than on Earth. 
E)  causes variations in surface temperature.

Question 15

Venus has larger volcanoes than Earth's Hawaii.

Accepted Answer

A) True 
 B)False

Question 16

What is the main constituent of the atmosphere of Venus?

Accepted Answer

A)  oxygen 
B)  nitrogen 
C)  hydrogen 
D)  carbon dioxide 
E)  sulfuric acid 
A)  oxygen 
B)  nitrogen 
C)  hydrogen 
D)  carbon dioxide 
E)  sulfuric acid

Question 17

Because of its slow rotation period,Venus:

Accepted Answer

A)  appears to go through phases like the Moon. 
B)  gets closer to Earth than any other planet. 
C)  presents the same side to the Sun all the time. 
D)  presents the same side to Earth all the time. 
E)  presents the same side to Earth at each closest approach. 
A)  appears to go through phases like the Moon. 
B)  gets closer to Earth than any other planet. 
C)  presents the same side to the Sun all the time. 
D)  presents the same side to Earth all the time. 
E)  presents the same side to Earth at each closest approach.

Question 18

Venus is brightest as seen from Earth:

Accepted Answer

A)  at greatest eastern elongation, appearing half lit in the evening sky. 
B)  at greatest western elongation, appearing half lit in the morning sky. 
C)  36 days before or after inferior conjunction, appearing as a large crescent. 
D)  at inferior conjunction, when closest to Earth and largest in apparent size. 
E)  at superior conjunction, and fully lit. 
A)  at greatest eastern elongation, appearing half lit in the evening sky. 
B)  at greatest western elongation, appearing half lit in the morning sky. 
C)  36 days before or after inferior conjunction, appearing as a large crescent. 
D)  at inferior conjunction, when closest to Earth and largest in apparent size. 
E)  at superior conjunction, and fully lit.

Exam 9: Venus: Earth's Sister Planet

The cause of Venus' slow rotation is unknown at present.

Through radar observations it was found that Venus':

Venus is almost the same size,mass,and density as the Earth.

What is the primary effect that the carbon dioxide in Venus' atmosphere has on the planet?

Why is Venus' rotation unusual?

Discuss the evidence that suggests that Venus is still very active volcanically.

At closest approach Venus is about how far from Earth?

Why is it reasonable to conclude that the internal structure and evolution of Venus are basically Earthlike?

Venus' high surface temperature is due to the ________ effect.

Earth and Venus are often called sister planets; in which ways are they most alike?

In the time between two closest approaches to Earth,Venus rotates almost exactly five times relative to the Sun.The consequence of this is that:

Describe how conditions on Venus have produced a runaway Greenhouse Effect.

Venus' rotation period is longer than its year.

The atmospheric pressure on Venus:

Venus has larger volcanoes than Earth's Hawaii.

What is the main constituent of the atmosphere of Venus?

Because of its slow rotation period,Venus:

Venus is brightest as seen from Earth:

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?

Filters