Filters
Question type

Study Flashcards

Why is Galileo Regio,the large circular feature on Ganymede,so dark?


A) It is composed of dense basaltic mantle rock that once flowed like lunar mare.
B) It is the result of micrometeorite dust settling onto it over several billion years.
C) It has an asphalt-like material that is like the dark side of Iapetus of Saturn.
D) It is the result of ultraviolet light from the Sun interacting with the ice and creating a substance that is quite dark.
E) It is the site of a recent meteorite impact that scattered a lot of dark, rocky material.

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

Jupiter's atmosphere is a single huge storm system.

A) True
B) False

Correct Answer

verifed

verified

How does the mass of Jupiter compare with that of the other planets?


A) It is slightly larger and more massive than Saturn.
B) It is similar to that of the Earth and Venus.
C) It is twice as massive as all other planets combined.
D) It is almost as massive as Saturn.
E) It is about a tenth the mass of the Sun.

F) B) and C)
G) A) and C)

Correct Answer

verifed

verified

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

A) True
B) False

Correct Answer

verifed

verified

False

Jupiter is noticeably oblate because:


A) it has a strong magnetic field.
B) it has such powerful gravity.
C) it rotates rapidly.
D) it undergoes a gravitational attraction from each of its various moons.
E) it has a mantle of liquid metallic hydrogen.

F) B) and E)
G) C) and D)

Correct Answer

verifed

verified

The Galileo mission put a spacecraft into orbit around Jupiter.Which statement about that spacecraft is true?


A) The spacecraft crashed into the moon Europa.
B) The spacecraft's probe measured windspeeds in Jupiter's atmosphere.
C) A saltwater ocean was discovered on Jupiter.
D) Intense magnetic fields were discovered in the asteroid belt.
E) A probe was released which soft landed on Io.

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

Correct Answer

verifed

verified

B

Contrast the internal structure of a planet like Jupiter with that of a typical terrestrial planet in as many ways as possible.

Correct Answer

verifed

verified

Jupiter's structure as one moves toward ...

View Answer

All the Galilean moons are in synchronous rotation,with the same face always pointed toward Jupiter,except for tidally stressed Io.

A) True
B) False

Correct Answer

verifed

verified

What is interesting about Jupiter's rotation period?


A) It is the same as Earth's.
B) It is the same as its orbital period.
C) It is the same as the Sun's.
D) It is the slowest in the solar system.
E) It is the fastest in the solar system.

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

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

Liquid metallic hydrogen can be formed only under tremendous pressure,not found even in the Earth's interior,much less on its surface.

Which of the four Galilean moons is NOT differentiated?


A) Io
B) Europa
C) Ganymede
D) Callisto
E) None of the above. All the moons are differentiated.

F) B) and C)
G) B) and D)

Correct Answer

verifed

verified

If it were about 80 times as massive as present,Jupiter could become a star.

A) True
B) False

Correct Answer

verifed

verified

Io's volcanoes contribute material to a(n)________ around the planet Jupiter's equator.

Correct Answer

verifed

verified

ring or to...

View Answer

What evidence do we have that Jupiter must have a substantial solid core under the thick clouds?


A) Its magnetic field must be form by rotating molten iron, like our own.
B) Occasional breaks in the clouds reveal a solid surface at times.
C) Jupiter's disk is more oblate than it should be, suggesting it has a higher density.
D) Jupiter's disk is less oblate than it should be, if it were only hydrogen and helium.
E) The Io flux tube goes straight down to Jupiter's iron core.

F) B) and E)
G) A) and E)

Correct Answer

verifed

verified

The apparent "surface" of Jupiter is actually the tops of ________.

Correct Answer

verifed

verified

Alternating zones of rising and sinking gas in Jupiter's atmosphere:


A) create light and dark bands.
B) cause Jupiter's magnetic field to ripple.
C) produced the ring system discovered by Voyager.
D) generate their own magnetic fields.
E) circle the planet from pole to pole.

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

Correct Answer

verifed

verified

Contrast the internal structures of the four Galilean moons.How are their internal differences reflected in the nature of their surfaces and other factors like their mean densities?

Correct Answer

verifed

verified

Io: Molten to core,high density (3600 kg...

View Answer

Like Earth,Jupiter's internal energy is generated chiefly by radioactive decay.

A) True
B) False

Correct Answer

verifed

verified

The reason the jovian planets lost very little of their original atmosphere is due to their:


A) rapid rotation.
B) strong magnetic fields.
C) ring systems.
D) large mass.
E) many moons.

F) B) and D)
G) A) and E)

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

Charged particles mo...

View Answer

Showing 1 - 20 of 101

Related Exams

Show Answer