Question 1

What is the prediction for the future of Triton?

Accepted Answer

A) It will provide the raw material for a future Neptunian ring. 
B) It will develop active volcanoes as Neptune's tidal stresses become greater. 
C) It will crash into Nereid when the smaller moon comes too close. 
D) Its orbit, while retrograde, is very stable and will not change. 
E) Its retrograde orbit will throw it back out into the Kuiper Belt again, with Pluto. 
A) It will provide the raw material for a future Neptunian ring. 
B) It will develop active volcanoes as Neptune's tidal stresses become greater. 
C) It will crash into Nereid when the smaller moon comes too close. 
D) Its orbit, while retrograde, is very stable and will not change. 
E) Its retrograde orbit will throw it back out into the Kuiper Belt again, with Pluto.

Question 2

It was the newly developed ________ theory which allowed Adams and Leverrier to predictthe position of Neptune from the motions of Uranus.

Accepted Answer

The answer of It was the newly developed ________ theory...

Question 3

Where do we find striking tectonic features among the small moons of Uranus?

Accepted Answer

Ariel has many signs of new ma

Question 4

From Voyager 2, Neptune's clouds appeared much more active than did Uranus's, surprisingsince Neptune is smaller, colder, and farther from the Sun.

Accepted Answer

A) True 
 B)False

Question 5

Uranus and ________ are very similar in size, mass, and color.

Accepted Answer

The answer of Uranus and ________ are very similar in...

Question 6

In 1846, Johann Galle found Neptune:

Accepted Answer

A) a few degrees from where it was predicted to be. 
B) after many years of searching for it. 
C) exactly where he predicted it would be. 
D) using just a pair of binoculars. 
E) using grossly inaccurate star charts. 
A) a few degrees from where it was predicted to be. 
B) after many years of searching for it. 
C) exactly where he predicted it would be. 
D) using just a pair of binoculars. 
E) using grossly inaccurate star charts.

Question 7

The most abundant component of the atmospheres of Uranus and Neptune is:

Accepted Answer

A) hydrogen. 
B) helium. 
C) methane. 
D) ammonia. 
E) nitrogen. 
A) hydrogen. 
B) helium. 
C) methane. 
D) ammonia. 
E) nitrogen.

Question 8

In the atmospheres of the jovian planets, this component increases, systematically, withdistance from the Sun.

Accepted Answer

A) hydrogen 
B) helium 
C) methane 
D) ammonia 
E) nitrogen 
A) hydrogen 
B) helium 
C) methane 
D) ammonia 
E) nitrogen

Question 9

In terms of axial tilt, which of the jovians shows us the largest inclination?

Accepted Answer

A) Jupiter 
B) Saturn 
C) Uranus 
D) Neptune 
E) Pluto 
A) Jupiter 
B) Saturn 
C) Uranus 
D) Neptune 
E) Pluto

Question 10

Both have strangely tilted magnetic fields, but that of Uranus is even farther off the rotationalaxis than that of Neptune.

Accepted Answer

A) True 
 B)False

Question 11

Neptune was discovered as a result of perturbations observed in the orbit of ________.

Accepted Answer

The answer of Neptune was discovered as a result of...

Question 12

On what basis did Herschel think he had found a comet?

Accepted Answer

A) The object appeared as a small greenish disk in his telescope. 
B) It appeared to be moving slightly night by night. 
C) No star appeared in that position on his charts. 
D) It was not a point of light, like a star should appear. 
E) All of the above are correct. 
A) The object appeared as a small greenish disk in his telescope. 
B) It appeared to be moving slightly night by night. 
C) No star appeared in that position on his charts. 
D) It was not a point of light, like a star should appear. 
E) All of the above are correct.

Question 13

The axial tilts of Uranus and Neptune are similar.

Accepted Answer

A) True 
 B)False

Question 14

Name two ways the magnetic fields of Uranus and Neptune defy the normal behavior ofplanetary magnetic fields.

Accepted Answer

Their fields are tilted very far off the

Question 15

The rings of Neptune:

Accepted Answer

A) were confirmed by the Voyager 2 in 1989. 
B) number five, with three narrow, two more diffuse. 
C) all lie within Neptune's Roche Limit. 
D) often appear as clumpy ring arcs, rather than complete and symmetrical. 
E) All of these are correct. 
A) were confirmed by the Voyager 2 in 1989. 
B) number five, with three narrow, two more diffuse. 
C) all lie within Neptune's Roche Limit. 
D) often appear as clumpy ring arcs, rather than complete and symmetrical. 
E) All of these are correct.

Question 16

Adams and Leverrier both predicted the position of Neptune, based on its effects on:

Accepted Answer

A) the Sun. 
B) Jupiter. 
C) Saturn. 
D) Uranus. 
E) Pluto. 
A) the Sun. 
B) Jupiter. 
C) Saturn. 
D) Uranus. 
E) Pluto.

Question 17

The Great Dark Spot on Neptune is probably as stable as Jupiter's famed Great Red Spot.

Accepted Answer

A) True 
 B)False

Question 18

Volcanic eruptions on one satellite of the outermost jovian planets, Neptune and Uranus, havebeen photographed by spacecraft. Which satellite, and what is erupting from this type ofvolcanism?

Accepted Answer

Triton is

Question 19

At the equator during the equinoxes on Uranus a day lasts:

Accepted Answer

A) 7 hours. 
B) 8 hours. 
C) 21 years. 
D) 42 years. 
E) 84 years. 
A) 7 hours. 
B) 8 hours. 
C) 21 years. 
D) 42 years. 
E) 84 years.

Question 20

Uranus's rotation axis is tipped over 98 degrees, so its magnetosphere is tipped over the sameamount.

Accepted Answer

A) True 
 B)False

Exam 13: Uranus and Neptune: The Outer Worlds of the Solar System

What is the prediction for the future of Triton?

It was the newly developed ________ theory which allowed Adams and Leverrier to predictthe position of Neptune from the motions of Uranus.

Where do we find striking tectonic features among the small moons of Uranus?

From Voyager 2, Neptune's clouds appeared much more active than did Uranus's, surprisingsince Neptune is smaller, colder, and farther from the Sun.

Uranus and ________ are very similar in size, mass, and color.

In 1846, Johann Galle found Neptune:

The most abundant component of the atmospheres of Uranus and Neptune is:

In the atmospheres of the jovian planets, this component increases, systematically, withdistance from the Sun.

In terms of axial tilt, which of the jovians shows us the largest inclination?

Both have strangely tilted magnetic fields, but that of Uranus is even farther off the rotationalaxis than that of Neptune.

Neptune was discovered as a result of perturbations observed in the orbit of ________.

On what basis did Herschel think he had found a comet?

The axial tilts of Uranus and Neptune are similar.

Name two ways the magnetic fields of Uranus and Neptune defy the normal behavior ofplanetary magnetic fields.

The rings of Neptune:

Adams and Leverrier both predicted the position of Neptune, based on its effects on:

The Great Dark Spot on Neptune is probably as stable as Jupiter's famed Great Red Spot.

Volcanic eruptions on one satellite of the outermost jovian planets, Neptune and Uranus, havebeen photographed by spacecraft. Which satellite, and what is erupting from this type ofvolcanism?

At the equator during the equinoxes on Uranus a day lasts:

Uranus's rotation axis is tipped over 98 degrees, so its magnetosphere is tipped over the sameamount.

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

Venus: Earths Sister Planet

Mars: a Near Miss for Life

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

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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