Question 1

The less internal heat a jovian planet emits, the more it stirs up its clouds.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

Their fields are tilted very far off the

Question 3

What common gas assumes an uncommon state in the mantles of Jupiter and Saturn? Why?

Accepted Answer

Hydrogen. On Earth hydrogen is a gas bec

Question 4

Jupiter's axial tilt is similar to that of Mercury, while Saturn's is more like ours.

Accepted Answer

A) True 
 B)False

Question 5

Compared to the terrestrial planets, the jovian planets have average densities.

Accepted Answer

The answer of Compared to the terrestrial planets, the jovian...

Question 6

What element is notably deficient in Saturn's atmosphere, and why?

Accepted Answer

Helium seems to be c

Question 7

Why does Saturn radiate even more excess heat than Jupiter?

Accepted Answer

A)  Saturn's thick clouds give it a stronger greenhouse effect. 
B)  Saturn is more massive than Jupiter, so its gravitational compression is stronger. 
C)  Saturn's atmosphere contains much methane, which is very flammable. 
D)  Only Saturn is still radiating heat left over from its formation. 
E)  Helium rain falling inward generates heat as it descends. 
A)  Saturn's thick clouds give it a stronger greenhouse effect. 
B)  Saturn is more massive than Jupiter, so its gravitational compression is stronger. 
C)  Saturn's atmosphere contains much methane, which is very flammable. 
D)  Only Saturn is still radiating heat left over from its formation. 
E)  Helium rain falling inward generates heat as it descends.

Question 8

Small deviations in a planet's orbital motion

Accepted Answer

A)  show we don't fully understand gravitational forces yet. 
B)  imply the nearby presence of a massive body. 
C)  indicate the presence of a powerful magnetic field. 
D)  indicate the presence of an extensive atmosphere. 
E)  show the planet's orbit isn't stable. 
A)  show we don't fully understand gravitational forces yet. 
B)  imply the nearby presence of a massive body. 
C)  indicate the presence of a powerful magnetic field. 
D)  indicate the presence of an extensive atmosphere. 
E)  show the planet's orbit isn't stable.

Question 9

How might the odd tilt of Uranus have been produced?

Accepted Answer

As with the making of our Moon

Question 10

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

Accepted Answer

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

Question 11

Jupiter puts back into space twice the energy it gets from the Sun.

Accepted Answer

A) True 
 B)False

Question 12

Jupiter is largest and brightest in our skies when seen at .

Accepted Answer

The answer of Jupiter is largest and brightest in our...

Question 13

Like Jupiter's, Saturn's rotation is fast and differential, with the _

Accepted Answer

The answer of Like Jupiter's, Saturn's rotation is fast and...

Question 14

While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the mantles of Uranus and Neptune are chiefly

Accepted Answer

A)  water. 
B)  helium. 
C)  rock. 
D)  methane. 
E)  ammonia. 
A)  water. 
B)  helium. 
C)  rock. 
D)  methane. 
E)  ammonia.

Question 15

looked very bland in Voyager 2 photos in 1986, but as equinox approached in the 1990s, its disk showed belts, zones, and storms.

Accepted Answer

The answer of looked very bland in Voyager 2 photos...

Question 16

Most of our detailed knowledge of the jovian planets comes from the Hubble Space Telescope.

Accepted Answer

A) True 
 B)False

Question 17

Uranus and Neptune are often called twin worlds. How do their axial tilts differ?

Accepted Answer

At 98 degrees, Uranus is flopp

Question 18

Aurorae like ours have been seen above the poles of Jupiter and Uranus.

Accepted Answer

A) True 
 B)False

Question 19

What is true of Jupiter's magnetosphere?

Accepted Answer

A)  It is most extensive on the sunward side of the planet. 
B)  It is only slightly stronger than Saturn's. 
C)  It does not trap protons and electrons, as Earth's Van Allen belts do. 
D)  It has a tail that extends at least to Saturn's orbit. 
E)  Although its surface field is greater, since the planet is larger the total field is actually weaker than Earth's. 
A)  It is most extensive on the sunward side of the planet. 
B)  It is only slightly stronger than Saturn's. 
C)  It does not trap protons and electrons, as Earth's Van Allen belts do. 
D)  It has a tail that extends at least to Saturn's orbit. 
E)  Although its surface field is greater, since the planet is larger the total field is actually weaker than Earth's.

Question 20

The spacecraft Cassini went into orbit around

Accepted Answer

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

The less internal heat a jovian planet emits, the more it stirs up its clouds.

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

What common gas assumes an uncommon state in the mantles of Jupiter and Saturn? Why?

Jupiter's axial tilt is similar to that of Mercury, while Saturn's is more like ours.

Compared to the terrestrial planets, the jovian planets have average densities.

What element is notably deficient in Saturn's atmosphere, and why?

Why does Saturn radiate even more excess heat than Jupiter?

Small deviations in a planet's orbital motion

How might the odd tilt of Uranus have been produced?

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

Jupiter puts back into space twice the energy it gets from the Sun.

Jupiter is largest and brightest in our skies when seen at .

Like Jupiter's, Saturn's rotation is fast and differential, with the _

While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the mantles of Uranus and Neptune are chiefly

looked very bland in Voyager 2 photos in 1986, but as equinox approached in the 1990s, its disk showed belts, zones, and storms.

Most of our detailed knowledge of the jovian planets comes from the Hubble Space Telescope.

Uranus and Neptune are often called twin worlds. How do their axial tilts differ?

Aurorae like ours have been seen above the poles of Jupiter and Uranus.

What is true of Jupiter's magnetosphere?

The spacecraft Cassini went into orbit around

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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Exam 8: The Jovian Planets: Giants of the Solar System

The less internal heat a jovian planet emits, the more it stirs up its clouds.

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

What common gas assumes an uncommon state in the mantles of Jupiter and Saturn? Why?

Jupiter's axial tilt is similar to that of Mercury, while Saturn's is more like ours.

Compared to the terrestrial planets, the jovian planets have average densities.

What element is notably deficient in Saturn's atmosphere, and why?

Why does Saturn radiate even more excess heat than Jupiter?

Small deviations in a planet's orbital motion

How might the odd tilt of Uranus have been produced?

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

Jupiter puts back into space twice the energy it gets from the Sun.

Jupiter is largest and brightest in our skies when seen at .

Like Jupiter's, Saturn's rotation is fast and differential, with the _

While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the mantles of Uranus and Neptune are chiefly

looked very bland in Voyager 2 photos in 1986, but as equinox approached in the 1990s, its disk showed belts, zones, and storms.

Most of our detailed knowledge of the jovian planets comes from the Hubble Space Telescope.

Uranus and Neptune are often called twin worlds. How do their axial tilts differ?

Aurorae like ours have been seen above the poles of Jupiter and Uranus.

What is true of Jupiter's magnetosphere?

The spacecraft Cassini went into orbit around

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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