Question 1

Of the Galilean satellites, which has the oldest, most heavily cratered surface?

Accepted Answer

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

Question 2

The orbits of most asteroids

Accepted Answer

A)  lie beyond Neptune. 
B)  lie entirely beyond the orbit of Mars. 
C)  cross the orbit of Mars. 
D)  cross the orbit of Earth. 
E)  cross the orbits of all four terrestrial planets. 
A)  lie beyond Neptune. 
B)  lie entirely beyond the orbit of Mars. 
C)  cross the orbit of Mars. 
D)  cross the orbit of Earth. 
E)  cross the orbits of all four terrestrial planets.

Question 3

Why is Titan considered so interesting?

Accepted Answer

It has a thick atmos

Question 4

Pluto's bulk density is

Accepted Answer

A)  3,400 kg/m³, comparable to our Moon's. 
B)  2,100 kg/m³, similar to Callisto's mix of rock and ice. 
C)  1,200 kg/m³, like Mimas, made of almost pure ice. 
D)  700 kg/m³, like Saturn a mix of hydrogen and helium slush. 
E)  400 kg/m³, like Comet Halley's nucleus, a ice ball with many gas pockets. 
A)  3,400 kg/m³, comparable to our Moon's. 
B)  2,100 kg/m³, similar to Callisto's mix of rock and ice. 
C)  1,200 kg/m³, like Mimas, made of almost pure ice. 
D)  700 kg/m³, like Saturn a mix of hydrogen and helium slush. 
E)  400 kg/m³, like Comet Halley's nucleus, a ice ball with many gas pockets.

Question 5

Neptune's moon Triton appears to have a nearly uncratered surface. Explain.

Accepted Answer

There has been a large amount of surface

Question 6

The leading hemisphere of Iapetus is much darker than the back side, which is icy.

Accepted Answer

A) True 
 B)False

Question 7

Io's "pizza pie" colors come from eruptions of ________ and its compounds.

Accepted Answer

The answer of Io's "pizza pie" colors come from eruptions...

Question 8

In what two ways is Titan's atmosphere like our own? Now name two differences.

Accepted Answer

Like the earth's, Titan's atmosphere is

Question 9

What are Saturn's rings?

Accepted Answer

A)  A great disk of liquid helium 
B)  Large rocky boulders moving in orbit around Saturn 
C)  A glowing, flat magnetospheric auroral display 
D)  A solid thin disc of material encircling Saturn 
E)  Small icy particles moving in orbit around Saturn 
A)  A great disk of liquid helium 
B)  Large rocky boulders moving in orbit around Saturn 
C)  A glowing, flat magnetospheric auroral display 
D)  A solid thin disc of material encircling Saturn 
E)  Small icy particles moving in orbit around Saturn

Question 10

What is the defining property of the Trojan asteroids?

Accepted Answer

A)  Their orbital periods are exactly one year, like ours. 
B)  They have orbits that cross the orbit of the Earth, but not that of Venus. 
C)  They have orbits at the distance of Jupiter and 60 degrees ahead of or behind it. 
D)  They have orbits between Saturn and Uranus. 
E)  Like Pluto, they are in a 3:2 resonance with Neptune. 
A)  Their orbital periods are exactly one year, like ours. 
B)  They have orbits that cross the orbit of the Earth, but not that of Venus. 
C)  They have orbits at the distance of Jupiter and 60 degrees ahead of or behind it. 
D)  They have orbits between Saturn and Uranus. 
E)  Like Pluto, they are in a 3:2 resonance with Neptune.

Question 11

Why were the mass and density of Pluto unknown until Charon was found?

Accepted Answer

Pluto is so distant that its disk was no

Question 12

The moons of Saturn are darker than those of Uranus.

Accepted Answer

A) True 
 B)False

Question 13

How many medium-sized moons does Saturn have?

Accepted Answer

A)  Too many to count 
B)  18 
C)  9 
D)  6 
E)  1 
A)  Too many to count 
B)  18 
C)  9 
D)  6 
E)  1

Question 14

The average density of the planet Jupiter has been known for hundreds of years, but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions. Why?

Accepted Answer

The density of an object is its mass div

Question 15

The surface of which jovian moon most resembles the pack ice of the Arctic Ocean?

Accepted Answer

A)  Amalthea 
B)  Io 
C)  Europa 
D)  Ganymede 
E)  Callisto 
A)  Amalthea 
B)  Io 
C)  Europa 
D)  Ganymede 
E)  Callisto

Question 16

The highest temperatures of volcanic lava on Io that are

Accepted Answer

A)  similar to that of hot springs on Earth. 
B)  similar to volcanic lava on Earth. 
C)  similar to the surface temperature of Venus. 
D)  far hotter than any earthly volcano. 
E)  just barely hot enough to melt water ice. 
A)  similar to that of hot springs on Earth. 
B)  similar to volcanic lava on Earth. 
C)  similar to the surface temperature of Venus. 
D)  far hotter than any earthly volcano. 
E)  just barely hot enough to melt water ice.

Question 17

The Roche limit is the point at which

Accepted Answer

A)  the mass of an object classifies it as a moon. 
B)  a moon orbiting a planet experiences synchronous rotation. 
C)  the external tidal forces on an object are strong enough to be felt by the object. 
D)  the external tidal forces on an object become greater than the internal forces that hold it together. 
E)  the internal forces that hold an object together weaken so that the object falls apart. 
A)  the mass of an object classifies it as a moon. 
B)  a moon orbiting a planet experiences synchronous rotation. 
C)  the external tidal forces on an object are strong enough to be felt by the object. 
D)  the external tidal forces on an object become greater than the internal forces that hold it together. 
E)  the internal forces that hold an object together weaken so that the object falls apart.

Question 18

What is the origin of Io's volcanism?

Accepted Answer

A tidal tug-of-war b

Question 19

The moon with an atmosphere denser than ours is ________.

Accepted Answer

The answer of The moon with an atmosphere denser than...

Question 20

From its orbit, we now recognize Pluto as one of the largest members of the

Accepted Answer

A)  moons of Neptune. 
B)  asteroid belt. 
C)  Kuiper Belt. 
D)  Oort Cloud. 
E)  Zodiacal Belt. 
A)  moons of Neptune. 
B)  asteroid belt. 
C)  Kuiper Belt. 
D)  Oort Cloud. 
E)  Zodiacal Belt.

Of the Galilean satellites, which has the oldest, most heavily cratered surface?

The orbits of most asteroids

Why is Titan considered so interesting?

Pluto's bulk density is

Neptune's moon Triton appears to have a nearly uncratered surface. Explain.

The leading hemisphere of Iapetus is much darker than the back side, which is icy.

Io's "pizza pie" colors come from eruptions of ________ and its compounds.

In what two ways is Titan's atmosphere like our own? Now name two differences.

What are Saturn's rings?

What is the defining property of the Trojan asteroids?

Why were the mass and density of Pluto unknown until Charon was found?

The moons of Saturn are darker than those of Uranus.

How many medium-sized moons does Saturn have?

The average density of the planet Jupiter has been known for hundreds of years, but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions. Why?

The surface of which jovian moon most resembles the pack ice of the Arctic Ocean?

The highest temperatures of volcanic lava on Io that are

The Roche limit is the point at which

What is the origin of Io's volcanism?

The moon with an atmosphere denser than ours is ________.

From its orbit, we now recognize Pluto as one of the largest members of the

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Exam 6: Small Bodies in the Solar System

Of the Galilean satellites, which has the oldest, most heavily cratered surface?

The orbits of most asteroids

Why is Titan considered so interesting?

Pluto's bulk density is

Neptune's moon Triton appears to have a nearly uncratered surface. Explain.

The leading hemisphere of Iapetus is much darker than the back side, which is icy.

Io's "pizza pie" colors come from eruptions of ________ and its compounds.

In what two ways is Titan's atmosphere like our own? Now name two differences.

What are Saturn's rings?

What is the defining property of the Trojan asteroids?

Why were the mass and density of Pluto unknown until Charon was found?

The moons of Saturn are darker than those of Uranus.

How many medium-sized moons does Saturn have?

The average density of the planet Jupiter has been known for hundreds of years, but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions. Why?

The surface of which jovian moon most resembles the pack ice of the Arctic Ocean?

The highest temperatures of volcanic lava on Io that are

The Roche limit is the point at which

What is the origin of Io's volcanism?

The moon with an atmosphere denser than ours is ________.

From its orbit, we now recognize Pluto as one of the largest members of the

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters