Question 1

In the sunward direction from Jupiter, Jupiter's magnetosphere extends:

Accepted Answer

A) only as far as Jupiter's atmosphere. 
B) only a few million kilometers. 
C) at least several astronomical units. 
D) at least to Earth's orbit. 
E) all the way to the Sun. 
A) only as far as Jupiter's atmosphere. 
B) only a few million kilometers. 
C) at least several astronomical units. 
D) at least to Earth's orbit. 
E) all the way to the Sun.

Question 2

One of the discoveries made by the Voyager probes while near Jupiter was:

Accepted Answer

A) Io has a featureless surface that never changes. 
B) a thin ring of dust around the equator. 
C) the absence of a magnetic field around the giant planet. 
D) that the Great Red Spot is uniform and featureless. 
E) each of the four large moons produces a strong magnetic field. 
A) Io has a featureless surface that never changes. 
B) a thin ring of dust around the equator. 
C) the absence of a magnetic field around the giant planet. 
D) that the Great Red Spot is uniform and featureless. 
E) each of the four large moons produces a strong magnetic field.

Question 3

Gravitational contraction is responsible for which unusual characteristic of Jupiter?

Accepted Answer

A) its oblate shape 
B) its color 
C) the emission of more energy that it receives 
D) the large Galilean moons 
E) its faint ring system 
A) its oblate shape 
B) its color 
C) the emission of more energy that it receives 
D) the large Galilean moons 
E) its faint ring system

Question 4

Amateur astronomers have contributed to the understanding of impact events on Jupiter.

Accepted Answer

A) True 
 B)False

Question 5

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 6

Some of Jupiter's smaller outer moons have retrograde orbits, indicating capture occurred.

Accepted Answer

A) True 
 B)False

Question 7

Jupiter gives back into space twice the energy it gets from the distant Sun. Where is thisenergy coming from, for the most part?

Accepted Answer

A) the impact energy of comets like SL-9 
B) helium rain descending into its mantle and core 
C) the slow escape of gravitational energy left from its formation 
D) the radioactive decay of U-238 in its iron-rich core, just as with the Earth 
E) the combined tidal stress of all four large Galilean moons 
A) the impact energy of comets like SL-9 
B) helium rain descending into its mantle and core 
C) the slow escape of gravitational energy left from its formation 
D) the radioactive decay of U-238 in its iron-rich core, just as with the Earth 
E) the combined tidal stress of all four large Galilean moons

Question 8

Compared to its rotational axis, Jupiter's magnetic field:

Accepted Answer

A) is exactly in alignment. 
B) lies about 10 degrees off, much like our own rotation and magnetic field. 
C) is tilted about 23.5 degrees, much like our own axial tilt. 
D) is tilted 98 degrees, much like the case of Uranus. 
E) has yet to be detected. 
A) is exactly in alignment. 
B) lies about 10 degrees off, much like our own rotation and magnetic field. 
C) is tilted about 23.5 degrees, much like our own axial tilt. 
D) is tilted 98 degrees, much like the case of Uranus. 
E) has yet to be detected.

Question 9

What is the name used to describe the dark bands encircling Jupiter?

Accepted Answer

A) belts 
B) brown stripes 
C) zones 
D) zonal flows 
E) convection cells 
A) belts 
B) brown stripes 
C) zones 
D) zonal flows 
E) convection cells

Question 10

Colors in Jupiter's clouds are largely due to helium compounds.

Accepted Answer

A) True 
 B)False

Question 11

The liquid layer in Europa is composed primarily of:

Accepted Answer

A) ethane, similar to Neptune's moon Triton. 
B) water, similar to Earth's oceans. 
C) molten metal, similar to Earth's outer crust. 
D) molten rock, similar to Earth's mantle. 
E) liquid hydrogen, similar to the region below Jupiter's atmosphere. 
A) ethane, similar to Neptune's moon Triton. 
B) water, similar to Earth's oceans. 
C) molten metal, similar to Earth's outer crust. 
D) molten rock, similar to Earth's mantle. 
E) liquid hydrogen, similar to the region below Jupiter's atmosphere.

Question 12

We have observed a comet strike Jupiter.

Accepted Answer

A) True 
 B)False

Question 13

Where is Jupiter's ring located?

Accepted Answer

A) above Jupiter's cloud tops and inside the orbit of its inner-most moon 
B) between the orbits of Io and Europa 
C) sharing the orbit of Amalthea 
D) in a thin ring at the distance of Io but inclined by an angle of about 30 degrees to Io's orbit 
E) between the orbit of the inner-most moon and the orbit of Io 
A) above Jupiter's cloud tops and inside the orbit of its inner-most moon 
B) between the orbits of Io and Europa 
C) sharing the orbit of Amalthea 
D) in a thin ring at the distance of Io but inclined by an angle of about 30 degrees to Io's orbit 
E) between the orbit of the inner-most moon and the orbit of Io

Question 14

What material makes up most of Jupiter's volume, and why is it not found here?

Accepted Answer

Liquid metallic hydrogen can b

Question 15

What is the source of Jupiter's intense radio waves and magnetism?

Accepted Answer

A) charged particles trapped in Jupiter's solid iron core, similar to Earth's 
B) liquid metallic hydrogen swirling in the rapidly spinning mantle 
C) the ionized sulfur ejected into a torus around Jupiter by Io 
D) the auroral displays in the polar regions, just like with Earth 
E) a liquid iron and nickel outer core, just like Earth's magnetic field 
A) charged particles trapped in Jupiter's solid iron core, similar to Earth's 
B) liquid metallic hydrogen swirling in the rapidly spinning mantle 
C) the ionized sulfur ejected into a torus around Jupiter by Io 
D) the auroral displays in the polar regions, just like with Earth 
E) a liquid iron and nickel outer core, just like Earth's magnetic field

Question 16

What is the major component of Io's volcanic flows?

Accepted Answer

A) basaltic lava, like the lunar mare 
B) liquid nitrogen, like the eruptions of Triton 
C) sulfur and its compounds 
D) carbon dioxide and water vapor, as with our eruptions 
E) iron oxide, as on Mars 
A) basaltic lava, like the lunar mare 
B) liquid nitrogen, like the eruptions of Triton 
C) sulfur and its compounds 
D) carbon dioxide and water vapor, as with our eruptions 
E) iron oxide, as on Mars

Question 17

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

Accepted Answer

Charged particles mo

Question 18

What is thought to be the cause of Io's volcanoes?

Accepted Answer

A) Jupiter's magnetosphere and its charged particles 
B) Jupiter's gravity and the heat it creates 
C) tidal stresses from both Jupiter and Europa 
D) solar radiation focused by Jupiter's gravity 
E) radioactive decay in Io's interior 
A) Jupiter's magnetosphere and its charged particles 
B) Jupiter's gravity and the heat it creates 
C) tidal stresses from both Jupiter and Europa 
D) solar radiation focused by Jupiter's gravity 
E) radioactive decay in Io's interior

Question 19

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 20

Except for Io, the other three Galilean satellites have periods of rotation and revolution thatare ________.

Accepted Answer

The answer of Except for Io, the other three Galilean...

Exam 11: Jupiter: Giant of the Solar System

In the sunward direction from Jupiter, Jupiter's magnetosphere extends:

One of the discoveries made by the Voyager probes while near Jupiter was:

Gravitational contraction is responsible for which unusual characteristic of Jupiter?

Amateur astronomers have contributed to the understanding of impact events on Jupiter.

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

Some of Jupiter's smaller outer moons have retrograde orbits, indicating capture occurred.

Jupiter gives back into space twice the energy it gets from the distant Sun. Where is thisenergy coming from, for the most part?

Compared to its rotational axis, Jupiter's magnetic field:

What is the name used to describe the dark bands encircling Jupiter?

Colors in Jupiter's clouds are largely due to helium compounds.

The liquid layer in Europa is composed primarily of:

We have observed a comet strike Jupiter.

Where is Jupiter's ring located?

What material makes up most of Jupiter's volume, and why is it not found here?

What is the source of Jupiter's intense radio waves and magnetism?

What is the major component of Io's volcanic flows?

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

What is thought to be the cause of Io's volcanoes?

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

Except for Io, the other three Galilean satellites have periods of rotation and revolution thatare ________.

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

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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