Question 1

____________________ discovered Uranus using a telescope that he built himself.

Accepted Answer

William Herschel

Question 2

Pluto's density is 1.8 g/cm3.This implies that

Accepted Answer

A)  Pluto has a large iron-nickel core. 
B)  Pluto is about 50% water and 50% rocky material. 
C)  Pluto should have a magnetic field about one-third as strong as Earth's. 
D)  Pluto is still geologically active. 
E)  Pluto probably has a small ring system that hasn't yet been detected. 
A)  Pluto has a large iron-nickel core. 
B)  Pluto is about 50% water and 50% rocky material. 
C)  Pluto should have a magnetic field about one-third as strong as Earth's. 
D)  Pluto is still geologically active. 
E)  Pluto probably has a small ring system that hasn't yet been detected. B

Question 3

Which spacecraft has studied Pluto?

Accepted Answer

A)  Pioneer 11 
B)  Voyager 2 
C)  Galileo 
D)  Cassini 
E)  None of the above but New Horizons is on its way. 
A)  Pioneer 11 
B)  Voyager 2 
C)  Galileo 
D)  Cassini 
E)  None of the above but New Horizons is on its way. E

Question 4

The rings of Uranus are believed to be very narrow because

Accepted Answer

A)  of gravitational interactions between ring particles. 
B)  the spiral density wave confines them. 
C)  the magnetic field holds them in place. 
D)  Uranus and Neptune are much smaller than Saturn. 
E)  they are shepherded by small moons. 
A)  of gravitational interactions between ring particles. 
B)  the spiral density wave confines them. 
C)  the magnetic field holds them in place. 
D)  Uranus and Neptune are much smaller than Saturn. 
E)  they are shepherded by small moons.

Question 5

An observer on Pluto who sees Charon directly overhead would see it

Accepted Answer

A)  set in the east. 
B)  set in the west. 
C)  set in the north. 
D)  set in the south. 
E)  remain overhead. 
A)  set in the east. 
B)  set in the west. 
C)  set in the north. 
D)  set in the south. 
E)  remain overhead.

Question 6

The existence of Uranus was predicted by the application of Newton's laws of motion and gravity.

Accepted Answer

A) True 
 B)False

Question 7

The existence and location of ____________________ was accurately predicted and located based on differences in the expected and observed orbit of another planet.

Accepted Answer

The answer of The existence and location of ____________________ was...

Question 8

For an observer on Uranus,the ecliptic passes only a few degrees from the celestial poles.

Accepted Answer

A) True 
 B)False

Question 9

In contrast to Jupiter,the magnetic field of Uranus is peculiar in that it is

Accepted Answer

A)  highly inclined to the axis of rotation. 
B)  very strong. 
C)  linked to the solar wind. 
D)  produced by disturbances caused by the orbits of the moons. 
E)  all of the above 
A)  highly inclined to the axis of rotation. 
B)  very strong. 
C)  linked to the solar wind. 
D)  produced by disturbances caused by the orbits of the moons. 
E)  all of the above

Question 10

Charon and Pluto are tidally locked so that Charon never rises or sets as seen from Pluto.

Accepted Answer

A) True 
 B)False

Question 11

Pluto is...

Accepted Answer

A)  the smallest mass planet. 
B)  the planet with the largest orbit. 
C)  the smallest size planet. 
D)  the planet with the most eccentric orbit. 
E)  No answer above is correct because Pluto is not a full fledged planet! 
A)  the smallest mass planet. 
B)  the planet with the largest orbit. 
C)  the smallest size planet. 
D)  the planet with the most eccentric orbit. 
E)  No answer above is correct because Pluto is not a full fledged planet!

Question 12

The particles in the rings of Neptune are very dark and contain methane ice (CH4).They may have become dark due to

Accepted Answer

A)  collisions with small icy particles from the outer reaches of the solar system. 
B)  forming in a region so far from the sun that only icy particles can exist. 
C)  forming in a region of the solar nebula where there is an abundance of silicate material. 
D)  being ejected from volcanoes on the surfaces of geologically active satellites of the planets. 
E)  radiation from the magnetospheres of the planets interacting with ices in the ring particles. 
A)  collisions with small icy particles from the outer reaches of the solar system. 
B)  forming in a region so far from the sun that only icy particles can exist. 
C)  forming in a region of the solar nebula where there is an abundance of silicate material. 
D)  being ejected from volcanoes on the surfaces of geologically active satellites of the planets. 
E)  radiation from the magnetospheres of the planets interacting with ices in the ring particles.

Question 13

We can be sure some particles in the rings of Uranus are very small because

Accepted Answer

A)  the rings are faint in forward scattered light. 
B)  the rings are bright in forward scattered light. 
C)  only small particles are produced in comet impacts with larger moons. 
D)  the magnetic field of Neptune would quickly force large particles out of the rings. 
E)  the larger particles would be quickly destroyed by impacts with the shepherd satellites. 
A)  the rings are faint in forward scattered light. 
B)  the rings are bright in forward scattered light. 
C)  only small particles are produced in comet impacts with larger moons. 
D)  the magnetic field of Neptune would quickly force large particles out of the rings. 
E)  the larger particles would be quickly destroyed by impacts with the shepherd satellites.

Question 14

Triton orbits in the same direction as Neptune's rotation.

Accepted Answer

A) True 
 B)False

Question 15

How many moons is Pluto currently know to have?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 16

Nereid's orbit is peculiar in that it is highly elliptical.

Accepted Answer

A) True 
 B)False

Question 17

Why is the discovery of Pluto sometimes referred to as an accidental discovery?

Accepted Answer

A)  The observations made to locate Pluto were not made in a systematic manner. 
B)  Pluto was not located close to its predicted location. 
C)  No one had ever predicted that Pluto existed before it was found. 
D)  Pluto's mass was too small to seriously alter the orbit of Neptune. 
E)  a and c 
A)  The observations made to locate Pluto were not made in a systematic manner. 
B)  Pluto was not located close to its predicted location. 
C)  No one had ever predicted that Pluto existed before it was found. 
D)  Pluto's mass was too small to seriously alter the orbit of Neptune. 
E)  a and c

Question 18

The ovoids (circi maximi)on Uranus' moon Miranda have been identified as evidence of volcanic activity.

Accepted Answer

A) True 
 B)False

Question 19

The rings of Uranus were discovered

Accepted Answer

A)  during an occultation of a star. 
B)  during an eclipse of one of the moons by the rings. 
C)  during an eclipse of Uranus by the rings. 
D)  as Uranus and the rings passed behind Jupiter. 
E)  by Voyager 1. 
A)  during an occultation of a star. 
B)  during an eclipse of one of the moons by the rings. 
C)  during an eclipse of Uranus by the rings. 
D)  as Uranus and the rings passed behind Jupiter. 
E)  by Voyager 1.

Question 20

The rings of ____________________ were discovered when they occulted a star.

Accepted Answer

The answer of The rings of ____________________ were discovered when...

Exam 24: Uranus,neptune,and the Kuiper Belt

____________________ discovered Uranus using a telescope that he built himself.

Pluto's density is 1.8 g/cm3.This implies that

Which spacecraft has studied Pluto?

The rings of Uranus are believed to be very narrow because

An observer on Pluto who sees Charon directly overhead would see it

The existence of Uranus was predicted by the application of Newton's laws of motion and gravity.

The existence and location of ____________________ was accurately predicted and located based on differences in the expected and observed orbit of another planet.

For an observer on Uranus,the ecliptic passes only a few degrees from the celestial poles.

In contrast to Jupiter,the magnetic field of Uranus is peculiar in that it is

Charon and Pluto are tidally locked so that Charon never rises or sets as seen from Pluto.

Pluto is...

The particles in the rings of Neptune are very dark and contain methane ice (CH4).They may have become dark due to

We can be sure some particles in the rings of Uranus are very small because

Triton orbits in the same direction as Neptune's rotation.

How many moons is Pluto currently know to have?

Nereid's orbit is peculiar in that it is highly elliptical.

Why is the discovery of Pluto sometimes referred to as an accidental discovery?

The ovoids (circi maximi)on Uranus' moon Miranda have been identified as evidence of volcanic activity.

The rings of Uranus were discovered

The rings of ____________________ were discovered when they occulted a star.

Here and Now

A Users Guide to the Sky

Cycles of the Moon

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

Earth: the Standard of Comparative Planetology

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Meteorites,asteroids,and Comets

Astrobiology: Life on Other Worlds

Filters

Pluto's density is 1.8 g/cm³.This implies that

The particles in the rings of Neptune are very dark and contain methane ice (CH₄).They may have become dark due to