Question 1

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 fieldF) B) and D)
G) C) and E)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

We have observed a comet strike Jupiter.

Accepted Answer

A) True 
 B)False

Question 4

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...

Question 5

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 MarsF) C) and D)
G) B) and E)

Question 6

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.F) B) and E)
G) None of the above

Question 7

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 interiorF) B) and E)
G) A) and E)

Question 8

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 moonsF) A) and D)
G) A) and E)

Question 9

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

Accepted Answer

Liquid metallic hydrogen can b...

Question 10

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 heliumF) A) and B)
G) A) and E)

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.F) A) and D)
G) All of the above

Question 12

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 cellsF) B) and E)
G) A) and D)

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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 systemF) All of the above
G) A) and E)

Question 15

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.F) None of the above
G) C) and D)

Question 16

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

Accepted Answer

Charged particles mo...

Question 17

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.F) A) and C)
G) C) and E)

Question 18

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.F) A) and E)
G) A) and D)

Question 19

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 IoF) D) and E)
G) B) and E)

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 11: Jupiter: Giant of the Solar System

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

Correct AnswerverifiedLiquid metallic hydrogen can b...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Where is Jupiter's ring located?

Correct AnswerverifiedShow Answer

Gravitational contraction is responsible for which unusual characteristic of Jupiter?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedCharged particles mo...View AnswerShow Answer

We have observed a comet strike Jupiter.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The liquid layer in Europa is composed primarily of:

Correct AnswerverifiedShow Answer

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Charged particles mo...
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