Question 1

The visual appearance of Neptune is much bluer than Uranus.

Accepted Answer

A) True 
 B)False

Question 2

In what ways do the magnetic fields of both Uranus and Neptune defy the conventional Dynamo Theory for planetary magnetic fields?

Accepted Answer

The planet's rotation,as the word dynamo...

Question 3

Why are the moons and rings of Uranus and Neptune believed to be dark?

Accepted Answer

Radiation striking ice produce...

Question 4

We see differential rotation at Uranus and Neptune such that the equator is moving slower than higher latitudes.

Accepted Answer

A) True 
 B)False

Question 5

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.F) C) and D)
G) A) and C)

Question 6

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.F) B) and E)
G) D) and E)

Question 7

Neptune was discovered due to irregularities in Uranus' orbit.At closest approach,these two planets are about 10 AU apart.
a)What is the force of gravity between these two objects? 
b)How does that compare to the force of gravity between the Sun and Uranus (approximately 20 AU from the Sun)?

Accepted Answer

a)F = G M m / d² = 6.7 × 10⁻¹¹ m³ kg⁻¹ s...

Question 8

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.F) C) and D)
G) B) and E)

Question 9

At the poles of Uranus,there are ________ years of constant daylight,then the same length of time of constant darkness.

Accepted Answer

The answer of At the poles of Uranus,there are ________...

Question 10

Because the poles of Uranus spend 42 years in darkness,the temperatures between the northern and southern hemispheres of Uranus differ by as much as hundreds of Kelvins,depending on where Uranus is in its orbit.

Accepted Answer

A) True 
 B)False

Question 11

Which three played a role in the finding of Neptune?

Accepted Answer

A)   Herschel, Hubble, and Einstein
B)   Newton, Einstein, and Tombaugh
C)   Adams, Leverrier, and Galle
D)   Bode, Herschel, and Fraunhofer
E)   Shapley, Hubble, and WhippleF) A) and D)
G) B) and D)

Question 12

The planet whose pole was facing the Sun when Voyager 2 approached in 1986 was:

Accepted Answer

A)   Jupiter.
B)   Saturn.
C)   Uranus.
D)   Neptune.
E)   Mars.F) B) and D)
G) A) and C)

Question 13

Changes in the predicted motion of Uranus led to the search for an eighth planet.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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)   PlutoF) A) and B)
G) D) and E)

Question 16

Unlike the atmospheres of Jupiter and Saturn,Uranus and Neptune have almost no:

Accepted Answer

A)   Hydrogen.
B)   Helium.
C)   Methane.
D)   Ammonia.
E)   Nitrogen.F) B) and D)
G) A) and B)

Question 17

The planet Neptune is:

Accepted Answer

A)   easily visible with the naked eye.
B)   barely visible with the naked eye.
C)   visible with at least small telescopes or binoculars.
D)   only visible with a large, high-quality telescope.
E)   only visible with a space-based telescope.F) A) and D)
G) A) and C)

Question 18

Neptune's moon Triton appears to have a nearly uncratered surface.Explain.

Accepted Answer

There has been a large amount of surface...

Question 19

In strength,the magnetic fields of Uranus and Neptune are:

Accepted Answer

A)   very different, with flopped over Uranus having no field, and Neptune a strong one.
B)   similar, with both about 100 times stronger than our own.
C)   even stronger than that of Jupiter.
D)   perfect fits for the Dynamo theory.
E)   like Jupiter and Saturn, due to mantles of liquid metallic hydrogen.F) B) and D)
G) All of the above

Question 20

Unlike Jupiter and Saturn,at Uranus and Neptune the ________ rotates the slowest.

Accepted Answer

The answer of Unlike Jupiter and Saturn,at Uranus and Neptune...

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

The planet Neptune is:

Correct AnswerverifiedShow Answer

Which three played a role in the finding of Neptune?

Correct AnswerverifiedShow Answer

Changes in the predicted motion of Uranus led to the search for an eighth planet.

Correct AnswerverifiedShow Answer

Because the poles of Uranus spend 42 years in darkness,the temperatures between the northern and southern hemispheres of Uranus differ by as much as hundreds of Kelvins,depending on where Uranus is in its orbit.

Correct AnswerverifiedShow Answer

At the poles of Uranus,there are ________ years of constant daylight,then the same length of time of constant darkness.

Correct AnswerverifiedShow Answer

In strength,the magnetic fields of Uranus and Neptune are:

Correct AnswerverifiedShow Answer

Neptune was discovered due to irregularities in Uranus' orbit.At closest approach,these two planets are about 10 AU apart. a)What is the force of gravity between these two objects? b)How does that compare to the force of gravity between the Sun and Uranus (approximately 20 AU from the Sun)?

Correct Answerverifieda)F = G M m / d² = 6.7 × 10⁻¹¹ m³ kg⁻¹ s...View AnswerShow Answer

The rings of Neptune:

Correct AnswerverifiedShow Answer

The visual appearance of Neptune is much bluer than Uranus.

Correct AnswerverifiedShow Answer

The planet whose pole was facing the Sun when Voyager 2 approached in 1986 was:

Correct AnswerverifiedShow Answer

Why are the moons and rings of Uranus and Neptune believed to be dark?

Correct AnswerverifiedRadiation striking ice produce...View AnswerShow Answer

We see differential rotation at Uranus and Neptune such that the equator is moving slower than higher latitudes.

Correct AnswerverifiedShow Answer

Unlike the atmospheres of Jupiter and Saturn,Uranus and Neptune have almost no:

Correct AnswerverifiedShow Answer

In what ways do the magnetic fields of both Uranus and Neptune defy the conventional Dynamo Theory for planetary magnetic fields?

Correct AnswerverifiedThe planet's rotation,as the word dynamo...View AnswerShow Answer

Neptune's moon Triton appears to have a nearly uncratered surface.Explain.

Correct AnswerverifiedThere has been a large amount of surface...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

In 1846,Johann Galle found Neptune:

Correct AnswerverifiedShow Answer

What is the prediction for the future of Triton?

Correct AnswerverifiedShow Answer

Unlike Jupiter and Saturn,at Uranus and Neptune the ________ rotates the slowest.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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a)F = G M m / d² = 6.7 × 10⁻¹¹ m³ kg⁻¹ s...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Radiation striking ice produce...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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The planet's rotation,as the word dynamo...
View Answer

Correct Answer
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There has been a large amount of surface...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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