Question 1

The moons of the jovian planets formed by which two processes?

Accepted Answer

A)  accretion and collisions 
B)  capture and collisions 
C)  collisions and differentiation 
D)  accretion and capture 
E)  differentiation and capture 
A)  accretion and collisions 
B)  capture and collisions 
C)  collisions and differentiation 
D)  accretion and capture 
E)  differentiation and capture

Question 2

Which planet by itself contains the majority of mass of all the planets?

Accepted Answer

A)  Jupiter 
B)  Saturn 
C)  Earth 
D)  Venus 
E)  Uranus 
A)  Jupiter 
B)  Saturn 
C)  Earth 
D)  Venus 
E)  Uranus

Question 3

Most of the angular momentum of the solar system is found in the ________.

Accepted Answer

orbits of

Question 4

Astronomers have not yet been able to detect planets outside our solar system.

Accepted Answer

A) True 
 B)False

Question 5

A planet's sidereal orbital period can be measured from repeated observations of its location in the sky (so long as Earth's own motion around the Sun is properly taken into account).

Accepted Answer

A) True 
 B)False

Question 6

The masses of all the planets combined is about 1% of that of the Sun.

Accepted Answer

A) True 
 B)False

Question 7

Comets that we can see originate in the ________ and ________.

Accepted Answer

Kuiper Bel

Question 8

Which statement about the motion of the planets is incorrect?

Accepted Answer

A)  Most orbit above the Sun's equator. 
B)  All revolutions of major planets are counterclockwise. 
C)  The orbits of most planets are almost circular, with low eccentricities. 
D)  Most planets move in the Earth's equatorial plane. 
E)  Most planets rotate in the counterclockwise direction when viewed from the North. 
A)  Most orbit above the Sun's equator. 
B)  All revolutions of major planets are counterclockwise. 
C)  The orbits of most planets are almost circular, with low eccentricities. 
D)  Most planets move in the Earth's equatorial plane. 
E)  Most planets rotate in the counterclockwise direction when viewed from the North.

Question 9

The "Grand Tour" of all four jovians was conducted by:

Accepted Answer

A)  Galileo. 
B)  Cassini. 
C)  Pioneer 11. 
D)  Voyager 1 and 2 both. 
E)  Voyager 2. 
A)  Galileo. 
B)  Cassini. 
C)  Pioneer 11. 
D)  Voyager 1 and 2 both. 
E)  Voyager 2.

Question 10

In addition to revolving around the Sun counterclockwise,most planets also rotate on their axis counterclockwise.

Accepted Answer

A) True 
 B)False

Question 11

Explain the effect angular momentum has on a gas cloud as it contracts.

Accepted Answer

Angular momentum must be conserved.As th

Question 12

While most large moons orbit counterclockwise above their planets' equators,the smaller moons often show eccentric or even retrograde orbits,suggesting capture.

Accepted Answer

A) True 
 B)False

Question 13

The most detailed look we've had of an asteroid comes from:

Accepted Answer

A)  spacecraft sent to an asteroid. 
B)  ground based optical images. 
C)  Earth orbital X-ray images. 
D)  ground based radar images. 
E)  high-altitude UV spectroscopy. 
A)  spacecraft sent to an asteroid. 
B)  ground based optical images. 
C)  Earth orbital X-ray images. 
D)  ground based radar images. 
E)  high-altitude UV spectroscopy.

Question 14

As a rotating gas cloud contracts,it spins:

Accepted Answer

A)  faster due to an increase in angular momentum. 
B)  slower due to a decrease in angular momentum. 
C)  at a constant rate. 
D)  faster due to conservation of angular momentum. 
E)  slower due to conservation of angular momentum. 
A)  faster due to an increase in angular momentum. 
B)  slower due to a decrease in angular momentum. 
C)  at a constant rate. 
D)  faster due to conservation of angular momentum. 
E)  slower due to conservation of angular momentum.

Question 15

Mercury's most unusual orbital feature,as compared to the other planets,is:

Accepted Answer

A)  the size of its orbit. 
B)  the shape of its orbit. 
C)  its orbital period. 
D)  the size of the planet. 
E)  that it has no moons. 
A)  the size of its orbit. 
B)  the shape of its orbit. 
C)  its orbital period. 
D)  the size of the planet. 
E)  that it has no moons.

Question 16

The largest asteroid,and probably the only one to be a spherical "world," is:

Accepted Answer

A)  Eros. 
B)  Ida. 
C)  Vesta. 
D)  Ceres. 
E)  Gaspra. 
A)  Eros. 
B)  Ida. 
C)  Vesta. 
D)  Ceres. 
E)  Gaspra.

Question 17

Name several characteristics the orbits of the eight planets share.

Accepted Answer

All orbit in almost circular orbits of l

Question 18

Explain the stage in which the solar system formed pretty much in a plane.

Accepted Answer

The flat shape of the solar sy

Question 19

In composition and density,the asteroids most resemble:

Accepted Answer

A)  comets. 
B)  the Sun. 
C)  jovian moons. 
D)  pieces of terrestrial planets. 
E)  Kuiper Belt objects like Pluto. 
A)  comets. 
B)  the Sun. 
C)  jovian moons. 
D)  pieces of terrestrial planets. 
E)  Kuiper Belt objects like Pluto.

Question 20

In general,the surfaces of the planets will be ________ than the age of the solar system.

Accepted Answer

The answer of In general,the surfaces of the planets will...

Exam 6: The Solar System: Comparative Planetology and Formation Models

The moons of the jovian planets formed by which two processes?

Which planet by itself contains the majority of mass of all the planets?

Most of the angular momentum of the solar system is found in the ________.

Astronomers have not yet been able to detect planets outside our solar system.

A planet's sidereal orbital period can be measured from repeated observations of its location in the sky (so long as Earth's own motion around the Sun is properly taken into account).

The masses of all the planets combined is about 1% of that of the Sun.

Comets that we can see originate in the ________ and ________.

Which statement about the motion of the planets is incorrect?

The "Grand Tour" of all four jovians was conducted by:

In addition to revolving around the Sun counterclockwise,most planets also rotate on their axis counterclockwise.

Explain the effect angular momentum has on a gas cloud as it contracts.

While most large moons orbit counterclockwise above their planets' equators,the smaller moons often show eccentric or even retrograde orbits,suggesting capture.

The most detailed look we've had of an asteroid comes from:

As a rotating gas cloud contracts,it spins:

Mercury's most unusual orbital feature,as compared to the other planets,is:

The largest asteroid,and probably the only one to be a spherical "world," is:

Name several characteristics the orbits of the eight planets share.

Explain the stage in which the solar system formed pretty much in a plane.

In composition and density,the asteroids most resemble:

In general,the surfaces of the planets will be ________ than the age of the solar system.

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information from the Cosmos

Spectroscopy: The Inner Workings of Atoms

Telescopes: The Tools of Astronomy

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earth's Sister Planet

Mars: A Near Miss for Life?

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants,Dwarfs,and the Main Sequence

The Interstellar Medium: Gas and Dust among the Stars

Star Formation: A Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae,Supernovae,and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: A Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone?

Filters

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