Question 1

What makes Iapetus different than most other Jovian satellites?

Accepted Answer

A)  Its surface is so eroded that it has no distinguishing surface features. 
B)  It is not impacted by Saturn's tidal heating. 
C)  It is perfectly spherical and highly reflective. 
D)  It has an old and heavily cratered surface. 
E)  It is asymmetrical and always faces backward to Saturn. 
A)  Its surface is so eroded that it has no distinguishing surface features. 
B)  It is not impacted by Saturn's tidal heating. 
C)  It is perfectly spherical and highly reflective. 
D)  It has an old and heavily cratered surface. 
E)  It is asymmetrical and always faces backward to Saturn.

Question 2

Which statement best describes the surface of Europa?

Accepted Answer

A)  dark and dirty ice, heavily pocked with craters 
B)  old and dark on some portion, but cratered with a young bright grooved terrain 
C)  icy crust free of craters with a liquid water ocean beneath 
D)  covered in active sulfur-based volcanoes 
E)  mostly water ice mixed with methane 
A)  dark and dirty ice, heavily pocked with craters 
B)  old and dark on some portion, but cratered with a young bright grooved terrain 
C)  icy crust free of craters with a liquid water ocean beneath 
D)  covered in active sulfur-based volcanoes 
E)  mostly water ice mixed with methane

Question 3

Which of the Galilean moons is essentially a dirty, icy rock?

Accepted Answer

A)  Titan 
B)  Io 
C)  Ganymede 
D)  Phoebe 
E)  Callisto 
A)  Titan 
B)  Io 
C)  Ganymede 
D)  Phoebe 
E)  Callisto

Question 4

Some of the gaps in Saturn's rings, such as the Cassini Division, are caused by ____ with moons.

Accepted Answer

A)  tides 
B)  ripples 
C)  rotations 
D)  resonances 
E)  forward scattering 
A)  tides 
B)  ripples 
C)  rotations 
D)  resonances 
E)  forward scattering

Question 5

Which space mission orbited Jupiter and dropped a probe into Jupiter's atmosphere?

Accepted Answer

A)  Pioneer 
B)  Voyager 
C)  Galileo 
D)  Cassini 
E)  New Horizons 
A)  Pioneer 
B)  Voyager 
C)  Galileo 
D)  Cassini 
E)  New Horizons

Question 6

The Cassini spacecraft detected large clouds of water vapor escaping from vents through the icy crust of Saturn's moon Enceladus.

Accepted Answer

A) True 
 B)False

Question 7

The gravitational effects of _______________ can confine some rings in narrow strands or keep the edges of rings sharp.

Accepted Answer

shepherd s

Question 8

Only Jupiter and Saturn have rings.

Accepted Answer

A) True 
 B)False

Question 9

Why is there no surface on Jupiter or Saturn?

Accepted Answer

Both planets are rich in hydrogen and he

Question 10

Saturn has fewer, but stronger winds than Jupiter.

Accepted Answer

A) True 
 B)False

Question 11

Which best describes the surface of Callisto?

Accepted Answer

A)  dark and dirty ice, heavily pocked with craters 
B)  old and dark on some portion, but cratered with a young bright grooved terrain 
C)  icy crust free of craters with a liquid water ocean beneath 
D)  covered in active sulfur-based volcanoes 
E)  mostly water ice mixed with methane 
A)  dark and dirty ice, heavily pocked with craters 
B)  old and dark on some portion, but cratered with a young bright grooved terrain 
C)  icy crust free of craters with a liquid water ocean beneath 
D)  covered in active sulfur-based volcanoes 
E)  mostly water ice mixed with methane

Question 12

Saturn radiates 1.8 times as much energy as it receives from the Sun.

Accepted Answer

A) True 
 B)False

Question 13

Provide a comparative analysis of Jupiter and Saturn. What are their similarities?  What are their differences?

Accepted Answer

Student responses will vary. A few compa

Question 14

The rings of Saturn are created from and controlled by the planet's moons.

Accepted Answer

A) True 
 B)False

Question 15

Which is a characteristic of Jovian planets when compared to Terrestrial planets?

Accepted Answer

A)  Jovian planets are much larger than Terrestrial planets 
B)  Jovian planets have rocky surfaces 
C)  Jovian planets have no differentiation like Terrestrial planets 
D)  Jovian planets have moons, unlike the Terrestrial planets 
E)  Jovian planets have warmer atmospheres than Terrestrial planets. 
A)  Jovian planets are much larger than Terrestrial planets 
B)  Jovian planets have rocky surfaces 
C)  Jovian planets have no differentiation like Terrestrial planets 
D)  Jovian planets have moons, unlike the Terrestrial planets 
E)  Jovian planets have warmer atmospheres than Terrestrial planets.

Question 16

Jupiter has only four moons.

Accepted Answer

A) True 
 B)False

Question 17

Scientists believe Saturn's moon Phoebe originated from a ____.

Accepted Answer

A)  large impact on Titan broke off a piece 
B)  captured Kuiper belt object 
C)  captured asteroid from the asteroid belt 
D)  planetesimal that did not differentiate 
E)  Galilean moon with an orbit that crossed into Saturn's orbit 
A)  large impact on Titan broke off a piece 
B)  captured Kuiper belt object 
C)  captured asteroid from the asteroid belt 
D)  planetesimal that did not differentiate 
E)  Galilean moon with an orbit that crossed into Saturn's orbit

Question 18

Which statement best describes the surface of Ganymede?

Accepted Answer

A)  dark and dirty ice, heavily pocked with craters 
B)  old and dark on some portion, but cratered with a young bright grooved terrain 
C)  icy crust free of craters with a liquid water ocean beneath 
D)  covered in active sulfur-based volcanoes 
E)  mostly water ice mixed with methane 
A)  dark and dirty ice, heavily pocked with craters 
B)  old and dark on some portion, but cratered with a young bright grooved terrain 
C)  icy crust free of craters with a liquid water ocean beneath 
D)  covered in active sulfur-based volcanoes 
E)  mostly water ice mixed with methane

Question 19

What is the composition of Jupiter?

Accepted Answer

A)  mostly carbon dioxide and methane 
B)  mostly methane 
C)  mostly helium and carbon dioxide 
D)  mostly nitrogen 
E)  mostly hydrogen and helium 
A)  mostly carbon dioxide and methane 
B)  mostly methane 
C)  mostly helium and carbon dioxide 
D)  mostly nitrogen 
E)  mostly hydrogen and helium

Question 20

Saturn's moon Titan is likely a captured Kuiper belt object.

Accepted Answer

A) True 
 B)False

Exam 23: Jupiter and Saturn

What makes Iapetus different than most other Jovian satellites?

Which statement best describes the surface of Europa?

Which of the Galilean moons is essentially a dirty, icy rock?

Some of the gaps in Saturn's rings, such as the Cassini Division, are caused by ____ with moons.

Which space mission orbited Jupiter and dropped a probe into Jupiter's atmosphere?

The Cassini spacecraft detected large clouds of water vapor escaping from vents through the icy crust of Saturn's moon Enceladus.

The gravitational effects of _______________ can confine some rings in narrow strands or keep the edges of rings sharp.

Only Jupiter and Saturn have rings.

Why is there no surface on Jupiter or Saturn?

Saturn has fewer, but stronger winds than Jupiter.

Which best describes the surface of Callisto?

Saturn radiates 1.8 times as much energy as it receives from the Sun.

Provide a comparative analysis of Jupiter and Saturn. What are their similarities? What are their differences?

The rings of Saturn are created from and controlled by the planet's moons.

Which is a characteristic of Jovian planets when compared to Terrestrial planets?

Jupiter has only four moons.

Scientists believe Saturn's moon Phoebe originated from a ____.

Which statement best describes the surface of Ganymede?

What is the composition of Jupiter?

Saturn's moon Titan is likely a captured Kuiper belt object.

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