Question 1

The wind speeds on Neptune are most similar to wind speeds on:

Accepted Answer

A) Mercury. 
B) Earth. 
C) Jupiter. 
D) Saturn. 
E) Uranus. 
A) Mercury. 
B) Earth. 
C) Jupiter. 
D) Saturn. 
E) Uranus.

Question 2

Neptune was discovered due to irregularities in Uranus's orbit. At closest approach, these twoplanets are about 10 A.U. 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 20A.U. from the Sun)?

Accepted Answer

a @#IMG-DLM& @#IMG-DLM& b)As in a, but mass and distance cha

Question 3

Neptune's moon Triton shows:

Accepted Answer

A) little cratering, consistent with a young surface. 
B) extensive cratering, consistent with a young surface. 
C) little cratering, consistent with an old surface. 
D) extensive cratering, consistent with an old surface. 
E) little cratering, telling nothing about the age of its surface. 
A) little cratering, consistent with a young surface. 
B) extensive cratering, consistent with a young surface. 
C) little cratering, consistent with an old surface. 
D) extensive cratering, consistent with an old surface. 
E) little cratering, telling nothing about the age of its surface.

Question 4

Discuss the role that methane plays in the appearances of Neptune and Uranus.

Accepted Answer

At Uranus and Neptune, methane

Question 5

Compared to the other rings, those of ________ are the most irregular, with clumps ofmaterial and ring arcs.

Accepted Answer

The answer of Compared to the other rings, those of...

Question 6

Hubble Space Telescope photos have shown us:

Accepted Answer

A) Uranus weather has produced more prominent patterns as equinox approaches. 
B) the Great Dark Spot of Neptune vanished in 1995. 
C) the rings of Uranus show up better in infrared than in visible light. 
D) Neptune still has more activity than Uranus, despite its distance from the Sun. 
E) All of the above are correct. 
A) Uranus weather has produced more prominent patterns as equinox approaches. 
B) the Great Dark Spot of Neptune vanished in 1995. 
C) the rings of Uranus show up better in infrared than in visible light. 
D) Neptune still has more activity than Uranus, despite its distance from the Sun. 
E) All of the above are correct.

Question 7

Uranus's moon Ariel shows considerable surface activity, a surprise considering its smallsize.

Accepted Answer

A) True 
 B)False

Question 8

William Herschel thought he had found a comet when he spotted the green disk of:

Accepted Answer

A) Triton. 
B) Uranus. 
C) Neptune. 
D) Titania. 
E) Oberon. 
A) Triton. 
B) Uranus. 
C) Neptune. 
D) Titania. 
E) Oberon.

Question 9

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

Accepted Answer

There has been a large amount of surface

Question 10

Bands in Uranus's atmosphere, similar to those seen on the other jovian planets,

Accepted Answer

A) form due to Uranus's rapid rotation. 
B) do not exist due to Uranus's large axial tilt. 
C) do not exist because Uranus is too small. 
D) are formed by interactions with Uranus's moons and rings. 
E) are driven by Uranus's internal energy source. 
A) form due to Uranus's rapid rotation. 
B) do not exist due to Uranus's large axial tilt. 
C) do not exist because Uranus is too small. 
D) are formed by interactions with Uranus's moons and rings. 
E) are driven by Uranus's internal energy source.

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

Question 12

Describe how the motion of Uranus led to the discovery of Neptune.

Accepted Answer

Uranus at first was moving faster than p

Question 13

Radiation darkening is a likely explanation of:

Accepted Answer

A) why Uranus's moons are less reflective than Saturn's. 
B) the lack of distinct, visible bands in Uranus's atmosphere. 
C) Uranus's extreme axial tilt. 
D) the tilt of Uranus's magnetic field relative to the rotation axis. 
E) why Uranus's rings are so much fainter than Saturn's. 
A) why Uranus's moons are less reflective than Saturn's. 
B) the lack of distinct, visible bands in Uranus's atmosphere. 
C) Uranus's extreme axial tilt. 
D) the tilt of Uranus's magnetic field relative to the rotation axis. 
E) why Uranus's rings are so much fainter than Saturn's.

Question 14

How many times has Neptune completed a revolution around the Sun since its discovery?

Accepted Answer

A) about 1 
B) about 10 
C) about 100 
D) about 1000 
E) more than several thousand 
A) about 1 
B) about 10 
C) about 100 
D) about 1000 
E) more than several thousand

Question 15

Uranus was discovered:

Accepted Answer

A) by Galileo. 
B) thousands of years ago. 
C) with a radio telescope. 
D) after examining perturbations in Neptune's orbit. 
E) less than 250 years ago. 
A) by Galileo. 
B) thousands of years ago. 
C) with a radio telescope. 
D) after examining perturbations in Neptune's orbit. 
E) less than 250 years ago.

Question 16

Uranus and Neptune appear bluish in color because:

Accepted Answer

A) methane gas in their atmospheres absorbs red light well. 
B) ammonia absorbs blue light well. 
C) hydrogen and helium are both blue in large concentrations. 
D) dust motes in their atmospheres scatter blue well, just as in our own blue sky. 
E) from their distance, the Sun would appear hotter and bluer than from Earth. 
A) methane gas in their atmospheres absorbs red light well. 
B) ammonia absorbs blue light well. 
C) hydrogen and helium are both blue in large concentrations. 
D) dust motes in their atmospheres scatter blue well, just as in our own blue sky. 
E) from their distance, the Sun would appear hotter and bluer than from Earth.

Question 17

The magnetic field tilts of which two bodies are the most unusual?

Accepted Answer

A) Mercury and Earth 
B) Jupiter and Saturn 
C) Uranus and Neptune 
D) Saturn and Venus 
E) Mars and Saturn 
A) Mercury and Earth 
B) Jupiter and Saturn 
C) Uranus and Neptune 
D) Saturn and Venus 
E) Mars and Saturn

Question 18

Why do Uranus and Neptune appear bluish?

Accepted Answer

Their atmospheres contain much methane b

Question 19

Which moon of Uranus has the strangest terrain? What is a possible explanation for itsjumbled appearance?

Accepted Answer

Miranda has a strange appearance, with l

Question 20

Neptune has a larger fraction of methane in its atmosphere than Uranus.

Accepted Answer

A) True 
 B)False

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

The wind speeds on Neptune are most similar to wind speeds on:

Neptune was discovered due to irregularities in Uranus's orbit. At closest approach, these twoplanets are about 10 A.U. 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 20A.U. from the Sun)?

Neptune's moon Triton shows:

Discuss the role that methane plays in the appearances of Neptune and Uranus.

Compared to the other rings, those of ________ are the most irregular, with clumps ofmaterial and ring arcs.

Hubble Space Telescope photos have shown us:

Uranus's moon Ariel shows considerable surface activity, a surprise considering its smallsize.

William Herschel thought he had found a comet when he spotted the green disk of:

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

Bands in Uranus's atmosphere, similar to those seen on the other jovian planets,

Which three played a role in the finding of Neptune?

Describe how the motion of Uranus led to the discovery of Neptune.

Radiation darkening is a likely explanation of:

How many times has Neptune completed a revolution around the Sun since its discovery?

Uranus was discovered:

Uranus and Neptune appear bluish in color because:

The magnetic field tilts of which two bodies are the most unusual?

Why do Uranus and Neptune appear bluish?

Which moon of Uranus has the strangest terrain? What is a possible explanation for itsjumbled appearance?

Neptune has a larger fraction of methane in its atmosphere than Uranus.

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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