Question 1

According to the Solar Nebula theory, planets

Accepted Answer

A)  should be randomly oriented to their star's equator. 
B)  should orbit perpendicular to their star's equator. 
C)  will revolve opposite the star's rotation. 
D)  should be a common result of star formation. 
E)  should be extremely rare. 
A)  should be randomly oriented to their star's equator. 
B)  should orbit perpendicular to their star's equator. 
C)  will revolve opposite the star's rotation. 
D)  should be a common result of star formation. 
E)  should be extremely rare.

Question 2

The larger terrestrial planets have surface features that tend to be

Accepted Answer

A)  more rocky. 
B)  older. 
C)  more icy. 
D)  more cratered. 
E)  younger. 
A)  more rocky. 
B)  older. 
C)  more icy. 
D)  more cratered. 
E)  younger.

Question 3

Before it arrived in orbit about Eros, the NEAR spacecraft visited

Accepted Answer

A)  Mars. 
B)  the Moon. 
C)  the asteroid Gaspra. 
D)  Venus. 
E)  the asteroid Mathilde. 
A)  Mars. 
B)  the Moon. 
C)  the asteroid Gaspra. 
D)  Venus. 
E)  the asteroid Mathilde.

Question 4

Contrast the densities of the terrestrial and jovian planets.

Accepted Answer

Forming close to the Sun, terrestrials a

Question 5

What is true about solar system densities?

Accepted Answer

A)  Saturn has the same density as water. 
B)  In differentiated bodies, the denser materials lie near their surfaces. 
C)  The asteroids all have about the same density. 
D)  The denser planets lie closer to the Sun. 
E)  Planetary density increases with increasing distance from the Sun. 
A)  Saturn has the same density as water. 
B)  In differentiated bodies, the denser materials lie near their surfaces. 
C)  The asteroids all have about the same density. 
D)  The denser planets lie closer to the Sun. 
E)  Planetary density increases with increasing distance from the Sun.

Question 6

The first spacecraft to return surface samples of an asteroid was named

Accepted Answer

A)  Giotto. 
B)  Hayabusa. 
C)  Dawn. 
D)  Stardust. 
E)  NEAR. 
A)  Giotto. 
B)  Hayabusa. 
C)  Dawn. 
D)  Stardust. 
E)  NEAR.

Question 7

Meteor showers are

Accepted Answer

A)  usually annual events, as the orbits again intersect. 
B)  caused by the Earth passing near the orbit of an Earthgrazing asteroid. 
C)  caused by the Earth passing near the orbit of an old short- period comet. 
D)  Both A and B are correct. 
E)  Both A and C are correct. 
A)  usually annual events, as the orbits again intersect. 
B)  caused by the Earth passing near the orbit of an Earthgrazing asteroid. 
C)  caused by the Earth passing near the orbit of an old short- period comet. 
D)  Both A and B are correct. 
E)  Both A and C are correct.

Question 8

How do we believe the Barringer crater formed?

Accepted Answer

A meteorite about 50

Question 9

The is the spherical outgassing as a comet nucleus is heated by the Sun.

Accepted Answer

The answer of The is the spherical outgassing as a...

Question 10

The first spacecraft to land on the surface of an asteroid was named

Accepted Answer

A)  Hayabusa. 
B)  Dawn. 
C)  Giotto. 
D)  Stardust. 
E)  NEAR. 
A)  Hayabusa. 
B)  Dawn. 
C)  Giotto. 
D)  Stardust. 
E)  NEAR.

Question 11

The Oort Cloud is believed to be

Accepted Answer

A)  the circular disk of gas around the Sun's equator from which the planets formed. 
B)  a spherical cloud of cometary nuclei far beyond the Kuiper Belt. 
C)  the great nebula found just below the belt stars of Orion. 
D)  a grouping of asteroids and meteoroids between the orbits of Mars and Jupiter. 
E)  a flattened belt of cometary nuclei just beyond the orbit of Neptune. 
A)  the circular disk of gas around the Sun's equator from which the planets formed. 
B)  a spherical cloud of cometary nuclei far beyond the Kuiper Belt. 
C)  the great nebula found just below the belt stars of Orion. 
D)  a grouping of asteroids and meteoroids between the orbits of Mars and Jupiter. 
E)  a flattened belt of cometary nuclei just beyond the orbit of Neptune.

Question 12

is the only planet with a mean density less than water.

Accepted Answer

The answer of is the only planet with a mean...

Question 13

The terrestrial planets have mantles of materials and iron rich cores.

Accepted Answer

The answer of The terrestrial planets have mantles of materials...

Question 14

Iron meteorites are believed to come from

Accepted Answer

A)  interstellar space. 
B)  debris from the Kuiper Belt. 
C)  a broken up cometary nucleus. 
D)  the core of a differentiated asteroid, now broken up. 
E)  the crust of a differentiated asteroid, now broken up. 
A)  interstellar space. 
B)  debris from the Kuiper Belt. 
C)  a broken up cometary nucleus. 
D)  the core of a differentiated asteroid, now broken up. 
E)  the crust of a differentiated asteroid, now broken up.

Question 15

In July 2011, the Dawn probe entered orbit around

Accepted Answer

A)  the asteroid Vesta. 
B)  the asteroid Ida. 
C)  the asteroid Gaspra. 
D)  the asteroid Ceres. 
E)  the comet Wild. 
A)  the asteroid Vesta. 
B)  the asteroid Ida. 
C)  the asteroid Gaspra. 
D)  the asteroid Ceres. 
E)  the comet Wild.

Question 16

The two smallest planets, Mercury and Pluto, have no moons.

Accepted Answer

A) True 
 B)False

Question 17

The nucleus of a comet is typically

Accepted Answer

A)  located between the orbits of Mars and Jupiter. 
B)  a few hundred kilometers across, and bright, shiny white from its ices. 
C)  very durable, made of iron. 
D)  a few meters in diameter. 
E)  a few kilometers in size, and very low in density. 
A)  located between the orbits of Mars and Jupiter. 
B)  a few hundred kilometers across, and bright, shiny white from its ices. 
C)  very durable, made of iron. 
D)  a few meters in diameter. 
E)  a few kilometers in size, and very low in density.

Question 18

Which of the following does NOT fall into the category of interplanetary debris?

Accepted Answer

A)  comets 
B)  Trojan asteroids 
C)  meteoroids 
D)  Kuiper Belt bodies 
E)  rings around the jovian planets 
A)  comets 
B)  Trojan asteroids 
C)  meteoroids 
D)  Kuiper Belt bodies 
E)  rings around the jovian planets

Question 19

The is a vast, spherical array of long period comet nuclei far beyond the orbit of Neptune.

Accepted Answer

The answer of The is a vast, spherical array of...

Question 20

In some cases, we have seen extrasolar planets pass in front of their stars.

Accepted Answer

A) True 
 B)False

According to the Solar Nebula theory, planets

The larger terrestrial planets have surface features that tend to be

Before it arrived in orbit about Eros, the NEAR spacecraft visited

Contrast the densities of the terrestrial and jovian planets.

What is true about solar system densities?

The first spacecraft to return surface samples of an asteroid was named

Meteor showers are

How do we believe the Barringer crater formed?

The is the spherical outgassing as a comet nucleus is heated by the Sun.

The first spacecraft to land on the surface of an asteroid was named

The Oort Cloud is believed to be

is the only planet with a mean density less than water.

The terrestrial planets have mantles of materials and iron rich cores.

Iron meteorites are believed to come from

In July 2011, the Dawn probe entered orbit around

The two smallest planets, Mercury and Pluto, have no moons.

The nucleus of a comet is typically

Which of the following does NOT fall into the category of interplanetary debris?

The is a vast, spherical array of long period comet nuclei far beyond the orbit of Neptune.

In some cases, we have seen extrasolar planets pass in front of their stars.

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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Exam 5: The Solar System: Interplanetary Matter and the Birth of the Planets

According to the Solar Nebula theory, planets

The larger terrestrial planets have surface features that tend to be

Before it arrived in orbit about Eros, the NEAR spacecraft visited

Contrast the densities of the terrestrial and jovian planets.

What is true about solar system densities?

The first spacecraft to return surface samples of an asteroid was named

Meteor showers are

How do we believe the Barringer crater formed?

The is the spherical outgassing as a comet nucleus is heated by the Sun.

The first spacecraft to land on the surface of an asteroid was named

The Oort Cloud is believed to be

is the only planet with a mean density less than water.

The terrestrial planets have mantles of materials and iron rich cores.

Iron meteorites are believed to come from

In July 2011, the Dawn probe entered orbit around

The two smallest planets, Mercury and Pluto, have no moons.

The nucleus of a comet is typically

Which of the following does NOT fall into the category of interplanetary debris?

The is a vast, spherical array of long period comet nuclei far beyond the orbit of Neptune.

In some cases, we have seen extrasolar planets pass in front of their stars.

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

Filters