Question 1

The most effective wavelengths to see through the clouds of Venus to the surface are________.

Accepted Answer

The answer of The most effective wavelengths to see through...

Question 2

The fact that Venus's 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 3

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

Accepted Answer

A) True 
 B)False

Question 4

At closest approach, Venus is about how far from Earth?

Accepted Answer

A) 0.7 A.U. 
B) 0.5 A.U. 
C) 0.4 A.U. 
D) 0.3 A.U. 
E) 0.1 A.U. 
A) 0.7 A.U. 
B) 0.5 A.U. 
C) 0.4 A.U. 
D) 0.3 A.U. 
E) 0.1 A.U.

Question 5

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 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

Venus's day is actually longer

Question 8

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

Accepted Answer

Venus rotates clockw

Question 9

Magellan did NOT find which of these on Venus?

Accepted Answer

A) impact craters, all larger than five kilometers across 
B) large shield volcanoes 
C) actual volcanic eruptions in progress 
D) coronae, huge but very flat circular features 
E) continent-sized uplands 
A) impact craters, all larger than five kilometers across 
B) large shield volcanoes 
C) actual volcanic eruptions in progress 
D) coronae, huge but very flat circular features 
E) continent-sized uplands

Question 10

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.

Question 11

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

Accepted Answer

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

Question 12

The orbiter that gave us the most detailed maps of Venus's 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 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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 16

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

Accepted Answer

A) bursts of radio energy, similar to those produced by lightning discharges occurring in theplumes 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 theplumes 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

Question 17

Venus's 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's 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's upper atmosphere is permanently ionized. 
E) there are constant aurorae everywhere on Venus.

Question 18

The highest peak on Venus is called:

Accepted Answer

A) Shif. 
B) Gula. 
C) Cleopatra. 
D) Maxwell. 
E) Lakshmi. 
A) Shif. 
B) Gula. 
C) Cleopatra. 
D) Maxwell. 
E) Lakshmi.

Question 19

Venus's rotation:

Accepted Answer

A) is the fastest of the terrestrial planets. 
B) is counterclockwise, like the other planets. 
C) takes longer than its orbit around the Sun. 
D) axis is highly tilted to its orbital plane, causing large seasonal changes. 
E) is tidally locked to the Sun. 
A) is the fastest of the terrestrial planets. 
B) is counterclockwise, like the other planets. 
C) takes longer than its orbit around the Sun. 
D) axis is highly tilted to its orbital plane, causing large seasonal changes. 
E) is tidally locked to the Sun.

Question 20

Volcanic activity on Venus is thought to be:

Accepted Answer

A) more frequent, but less violent than volcanic activity on Earth. 
B) more frequent and more violent than volcanic activity on Earth. 
C) less frequent, but more violent than volcanic activity on Earth. 
D) less frequent and less violent than volcanic activity on Earth. 
E) the same as volcanic activity on Earth. 
A) more frequent, but less violent than volcanic activity on Earth. 
B) more frequent and more violent than volcanic activity on Earth. 
C) less frequent, but more violent than volcanic activity on Earth. 
D) less frequent and less violent than volcanic activity on Earth. 
E) the same as volcanic activity on Earth.

Exam 9: Venus: Earths Sister Planet

The most effective wavelengths to see through the clouds of Venus to the surface are________.

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

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

At closest approach, Venus is about how far from Earth?

What is the main constituent of the atmosphere of Venus?

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

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

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

Magellan did NOT find which of these on Venus?

Venus is brightest as seen from Earth:

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

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

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

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

Which of the following characterizes a shield volcano?

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

Venus's lack of magnetic field means that:

The highest peak on Venus is called:

Venus's rotation:

Volcanic activity on Venus is thought to be:

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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

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Exoplanets: Planetary Systems Beyond Our Own

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