Exam 8: Jovian Planet Systems

Correct Answer

verified

Show Answer

A) Astronomers have detected small lakes of liquid water on Europa's surface.
B) Europa has a magnetic field that appears to respond to Jupiter's magnetic field.
C) Photos of Europa's surface show regions that appear to consist of jumbled icebergs frozen in place.
D) Europa's surface shows very few impact craters.

Correct Answer

verified

Show Answer

A) All have cores of about the same mass, but differ in the amount of surrounding hydrogen and helium.
B) The core mass decreases with the mass of the planet.
C) The composition changes from mostly ammonia in Jupiter and Saturn to mostly methane in Uranus and Neptune.
D) The composition changes from mostly hydrogen in Jupiter and Saturn to mostly helium in Uranus and Neptune.
E) All have about the same amount of hydrogen and helium but the proportion of rocks is greater in those planets closer to the Sun.

Correct Answer

verified

Show Answer

Correct Answer

verified

The differences in the sizes of the jovi...

View Answer

Show Answer

Correct Answer

verified

Cassini has found a surprisingly active ...

View Answer

Show Answer

A) Io orbits Jupiter on an elliptical orbit, due to orbital resonances with other satellites.
B) Io is the closest to Jupiter of Jupiter's large moons.
C) Io exhibits synchronous rotation, meaning that its rotation period and orbital period are the same.
D) Io orbits Jupiter in the Io torus, and therefore has a surface that is bombarded by many charged particles.

Correct Answer

verified

Show Answer

A) The three layers represent clouds made of gases that condense at different temperatures.
B) Jupiter has three different types of wind, each of which makes a different type of cloud.
C) The three layers reflect regions of Jupiter's atmosphere with different overall chemical compositions.
D) Clouds form randomly, so on average there are always three layers.

Correct Answer

verified

Show Answer

Correct Answer

verified

Ice geology is the formation of surface ...

View Answer

Show Answer

A) The light stripes are regions of high clouds, and the dark stripes are regions where we can see down to deeper, darker clouds.
B) The dark and light stripes correspond to alternating bands of different chemical composition.
C) There are three different color stripes corresponding to the three different types of clouds found on these planets.
D) Dark stripes are those in which there is a stratosphere and light stripes are those with no stratosphere.

Correct Answer

verified

Show Answer

Correct Answer

verified

Show Answer

Correct Answer

verified

Show Answer

Correct Answer

verified

Show Answer

A) radioactive decay
B) internal friction due to its high rotation rate
C) chemical processes
D) nuclear fusion in the core
E) by contracting, changing gravitational potential energy into thermal energy

Correct Answer

verified

Show Answer

Correct Answer

verified

The white zones of Jupiter's atmosphere ...

View Answer

Show Answer

Correct Answer

Answered by ExamLex AI

The observational basis for the model of...

View Answer

Show Answer

A) the most volcanically active body in the solar system
B) thought to have a deep, subsurface ocean of liquid water
C) probably a captured Kuiper Belt object
D) the target of the Huygens probe, which landed on its surface.
E) the largest moon in the solar system

Correct Answer

verified

Show Answer

A) The planet must have many small moons that orbit relatively close to the planet in its equatorial plane.
B) The planet must be at least as massive as Saturn.
C) The planet must orbit its star at a distance greater than Mars orbits the Sun.
D) The planet must once have had a large moon that came too close to it, shattering the moon and creating the ring particles.

Correct Answer

verified

Show Answer

A) a pinhead.
B) a marble.
C) a baseball.
D) a grapefruit.
E) a basketball.

Correct Answer

verified

Show Answer