Question 1

What is the source of Jupiter's excess energy?

Accepted Answer

A)  helium rain falling through its interior 
B)  the decay of radioactive elements in its dense core 
C)  nuclear fusion in its hot, sunlike core of hydrogen 
D)  the slow escape of gravitational energy released during the planet's formation 
E)  the tidal stresses of the large Galilean moons 
A)  helium rain falling through its interior 
B)  the decay of radioactive elements in its dense core 
C)  nuclear fusion in its hot, sunlike core of hydrogen 
D)  the slow escape of gravitational energy released during the planet's formation 
E)  the tidal stresses of the large Galilean moons

Question 2

Which three Galilean moons were found by Galileo to have weak,changing magnetic fields?

Accepted Answer

A)  Titan, Callisto, and Amalthea 
B)  Io, Europa, and Callisto 
C)  Io, Amalthea, and Ganymede 
D)  Io, Europa, and Ganymede 
E)  Europa, Ganymede, and Callisto 
A)  Titan, Callisto, and Amalthea 
B)  Io, Europa, and Callisto 
C)  Io, Amalthea, and Ganymede 
D)  Io, Europa, and Ganymede 
E)  Europa, Ganymede, and Callisto

Question 3

If Jupiter were about 80 times more massive than it is,nuclear fusion should have been possible,making it a small star.What might have been the most likely effect on the Earth?

Accepted Answer

A)  The gravitational pull might have prevented the Earth settling into a stable orbit, which would have prevented the development of life on Earth. 
B)  Jupiter's moons would have been likely to develop life, which would have competed with life on Earth. 
C)  The extra radiation from a second star in the solar system would have prevented life forming on Earth. 
D)  Jupiter's magnetic field would have been much larger, disrupting Earth's magnetic field. 
E)  Nothing because Jupiter is so much further from the Earth than the Sun is. 
A)  The gravitational pull might have prevented the Earth settling into a stable orbit, which would have prevented the development of life on Earth. 
B)  Jupiter's moons would have been likely to develop life, which would have competed with life on Earth. 
C)  The extra radiation from a second star in the solar system would have prevented life forming on Earth. 
D)  Jupiter's magnetic field would have been much larger, disrupting Earth's magnetic field. 
E)  Nothing because Jupiter is so much further from the Earth than the Sun is.

Question 4

Jupiter's dark ________ are regions of cooler material that is sinking into the interior.

Accepted Answer

The answer of Jupiter's dark ________ are regions of cooler...

Question 5

Compare and contrast the magnetospheres of Earth and Jupiter.Discuss strength and reaction to solar winds.

Accepted Answer

Jupiter's magnetosphere is the strongest

Question 6

How does the density of Jupiter compare to the terrestrial planets?

Accepted Answer

A)  It is denser than all the terrestrial planets combined. 
B)  It is denser than the Moon, but less dense than any of the others. 
C)  Its density is slightly less than Mercury, but more than Mars. 
D)  Its density is about the same as Mars. 
E)  Its density is less than any terrestrial. 
A)  It is denser than all the terrestrial planets combined. 
B)  It is denser than the Moon, but less dense than any of the others. 
C)  Its density is slightly less than Mercury, but more than Mars. 
D)  Its density is about the same as Mars. 
E)  Its density is less than any terrestrial.

Question 7

The zonal flows giving rise to the belts and zones are similar to the jet streams in our own stratosphere.

Accepted Answer

A) True 
 B)False

Question 8

Essentially,the Great Red Spot is:

Accepted Answer

A)  Neptune's largest atmospheric feature. 
B)  a large cyclonic storm (hurricane). 
C)  always located within 10 degrees of Jupiter's north pole. 
D)  composed primarily of iron oxide. 
E)  traveling north and south across Jupiter's face. 
A)  Neptune's largest atmospheric feature. 
B)  a large cyclonic storm (hurricane). 
C)  always located within 10 degrees of Jupiter's north pole. 
D)  composed primarily of iron oxide. 
E)  traveling north and south across Jupiter's face.

Question 9

How large is Jupiter's magnetosphere?

Accepted Answer

A)  It is about as large as the Earth's. 
B)  It is so large it extends out to the orbit of Io. 
C)  It is a million times the volume of the Earth's, extending beyond the orbit of Saturn. 
D)  It extends inward to the orbit of Mars. 
E)  It envelopes even the Sun and rest of the solar system. 
A)  It is about as large as the Earth's. 
B)  It is so large it extends out to the orbit of Io. 
C)  It is a million times the volume of the Earth's, extending beyond the orbit of Saturn. 
D)  It extends inward to the orbit of Mars. 
E)  It envelopes even the Sun and rest of the solar system.

Question 10

The particles making up the ring of Jupiter are composed of bright,reflective ice.

Accepted Answer

A) True 
 B)False

Question 11

How was the rotation rate of Jupiter's core determined?

Accepted Answer

A)  by observing the Great Red Spot 
B)  by watching Io move across the disk of Jupiter 
C)  by radio observations of Jupiter's rapidly spinning magnetosphere 
D)  by observing the fastest moving regions of Jupiter's equator 
E)  by measuring the oblateness of Jupiter's disk 
A)  by observing the Great Red Spot 
B)  by watching Io move across the disk of Jupiter 
C)  by radio observations of Jupiter's rapidly spinning magnetosphere 
D)  by observing the fastest moving regions of Jupiter's equator 
E)  by measuring the oblateness of Jupiter's disk

Question 12

How does the magnetic tilt of Jupiter compare with our field?

Accepted Answer

A)  Both are exactly perpendicular to our equator, aligned with our rotation axis. 
B)  Jupiter's lies perpendicular to the ecliptic, while ours is tilted 23.5 degrees. 
C)  Both are tilted about 10 degrees, but Jupiter is opposite in polarity. 
D)  Both are tilted about 27 degrees, much like Saturn's. 
E)  Like Uranus, Jupiter is flopped over on its side. 
A)  Both are exactly perpendicular to our equator, aligned with our rotation axis. 
B)  Jupiter's lies perpendicular to the ecliptic, while ours is tilted 23.5 degrees. 
C)  Both are tilted about 10 degrees, but Jupiter is opposite in polarity. 
D)  Both are tilted about 27 degrees, much like Saturn's. 
E)  Like Uranus, Jupiter is flopped over on its side.

Question 13

How does the heat Jupiter radiates compare to the energy it receives from the Sun?

Accepted Answer

A)  They are equal, as you would expect for a highly reflective planet. 
B)  Jupiter's dark belts absorb most of the solar radiation, so it is cooler in the infrared. 
C)  Jupiter radiates back into space about twice the energy it gets from the Sun. 
D)  Jupiter is a brown dwarf, about a hundred times less luminous than the Sun. 
E)  Jupiter is a red dwarf, about a tenth the Sun's luminosity. 
A)  They are equal, as you would expect for a highly reflective planet. 
B)  Jupiter's dark belts absorb most of the solar radiation, so it is cooler in the infrared. 
C)  Jupiter radiates back into space about twice the energy it gets from the Sun. 
D)  Jupiter is a brown dwarf, about a hundred times less luminous than the Sun. 
E)  Jupiter is a red dwarf, about a tenth the Sun's luminosity.

Question 14

The only spacecraft to go into orbit around Jupiter was:

Accepted Answer

A)  Voyager 2. 
B)  Pioneer 10. 
C)  Cassini. 
D)  Galileo. 
E)  Viking I. 
A)  Voyager 2. 
B)  Pioneer 10. 
C)  Cassini. 
D)  Galileo. 
E)  Viking I.

Question 15

The average density of the planet Jupiter has been known for hundreds of years,but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions.Why?

Accepted Answer

The density of an object is its mass div

Question 16

Of the Galilean moons,the one with striking grooved terrain and icy tectonic features as well as older craters is:

Accepted Answer

A)  Amalthea. 
B)  Io. 
C)  Europa. 
D)  Ganymede. 
E)  Callisto. 
A)  Amalthea. 
B)  Io. 
C)  Europa. 
D)  Ganymede. 
E)  Callisto.

Question 17

Together,which two gases make up 99% of Jupiter's atmosphere?

Accepted Answer

A)  Ammonia and Methane 
B)  Water Vapor and Methane 
C)  Helium and Ammonia 
D)  Hydrogen and Ammonia 
E)  Hydrogen and Helium 
A)  Ammonia and Methane 
B)  Water Vapor and Methane 
C)  Helium and Ammonia 
D)  Hydrogen and Ammonia 
E)  Hydrogen and Helium

Question 18

The clouds of Jupiter are primarily composed of liquid hydrogen.

Accepted Answer

A) True 
 B)False

Question 19

What is true of Jupiter's magnetosphere?

Accepted Answer

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

Question 20

What is the source of Jupiter's nonthermal radio radiation?

Accepted Answer

A)  charged particles moving in a magnetic field 
B)  metallic hydrogen swirling in the planet's interior 
C)  the gravitational attraction of Jupiter's moons 
D)  the Great Red Spot 
E)  thermonuclear fusion in Jupiter's core 
A)  charged particles moving in a magnetic field 
B)  metallic hydrogen swirling in the planet's interior 
C)  the gravitational attraction of Jupiter's moons 
D)  the Great Red Spot 
E)  thermonuclear fusion in Jupiter's core

Exam 11: Jupiter: Giant of the Solar System

What is the source of Jupiter's excess energy?

Which three Galilean moons were found by Galileo to have weak,changing magnetic fields?

If Jupiter were about 80 times more massive than it is,nuclear fusion should have been possible,making it a small star.What might have been the most likely effect on the Earth?

Jupiter's dark ________ are regions of cooler material that is sinking into the interior.

Compare and contrast the magnetospheres of Earth and Jupiter.Discuss strength and reaction to solar winds.

How does the density of Jupiter compare to the terrestrial planets?

The zonal flows giving rise to the belts and zones are similar to the jet streams in our own stratosphere.

Essentially,the Great Red Spot is:

How large is Jupiter's magnetosphere?

The particles making up the ring of Jupiter are composed of bright,reflective ice.

How was the rotation rate of Jupiter's core determined?

How does the magnetic tilt of Jupiter compare with our field?

How does the heat Jupiter radiates compare to the energy it receives from the Sun?

The only spacecraft to go into orbit around Jupiter was:

The average density of the planet Jupiter has been known for hundreds of years,but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions.Why?

Of the Galilean moons,the one with striking grooved terrain and icy tectonic features as well as older craters is:

Together,which two gases make up 99% of Jupiter's atmosphere?

The clouds of Jupiter are primarily composed of liquid hydrogen.

What is true of Jupiter's magnetosphere?

What is the source of Jupiter's nonthermal radio radiation?

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: Earth's Sister Planet

Mars: A Near Miss for Life?

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

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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