Question 1

Comets falling into the inner solar system from the ____________ are called long-period comets.

Accepted Answer

A)  Oort cloud 
B)  asteroid belt 
C)  Roche limit 
D)  Kuiper belt 
E)  Widmanstätten region 
A)  Oort cloud 
B)  asteroid belt 
C)  Roche limit 
D)  Kuiper belt 
E)  Widmanstätten region A

Question 2

Compared to the inner asteroid belt, the outer asteroid belt is ____________ and ____________, as shown in the above graph.

Accepted Answer

A)  dark, gray 
B)  red, dark 
C)  bright, red 
D)  gray, bright 
A)  dark, gray 
B)  red, dark 
C)  bright, red 
D)  gray, bright A

Question 3

In this image, chondrules are present. What kind of meteorite is this?

Accepted Answer

A)  stony 
B)  stony-iron 
C)  iron 
D)  chondrite 
A)  stony 
B)  stony-iron 
C)  iron 
D)  chondrite D

Question 4

Long-period comets are believed to originate in the ____________.

Accepted Answer

The answer of Long-period comets are believed to originate in...

Question 5

In the above picture, a _______ meteorite that has been cut and polished shows both rock and iron.

Accepted Answer

A)  stony 
B)  stony-iron 
C)  iron 
D)  chondrite 
A)  stony 
B)  stony-iron 
C)  iron 
D)  chondrite

Question 6

____________ asteroids are the most common and appear to be the source of the most common type of meteorite, the chondrites. They are more common in the inner belt and may be the source of stone meteorites.

Accepted Answer

A)  S-type 
B)  M-type 
C)  C-type 
A)  S-type 
B)  M-type 
C)  C-type

Question 7

What processes cause the difference in appearance between gas tails and dust tails in comets?

Accepted Answer

​ 
A comet' s gas tail is produced by io

Question 8

Meteorites seem to be primarily composed of material very similar to the material in asteroids.

Accepted Answer

A) True 
 B)False

Question 9

Compare to C-types, S-types are redder and brighter as indicated in the above graph.

Accepted Answer

A) True 
 B)False

Question 10

Most meteors come from comets, but most meteorites come from asteroids. Explain this statement.

Accepted Answer

The physical characteristics of meteorit

Question 11

The meteorite shown is black most likely because of friction with the air, which heats the meteoroid as it passes through Earth's atmosphere.

Accepted Answer

A) True 
 B)False

Question 12

A(n) ____________ occurs when a bit of material enters Earth's atmosphere and becomes incandescent due to friction with the atmosphere.

Accepted Answer

meteor,or,

Question 13

One currently accepted theory suggests that the bodies in the Oort cloud formed

Accepted Answer

A)  near the present orbits of the terrestrial planets and were then ejected by them. 
B)  near the present orbits of the Jovian planets and were then ejected by them. 
C)  right there in the Oort cloud very far from the Sun. 
A)  near the present orbits of the terrestrial planets and were then ejected by them. 
B)  near the present orbits of the Jovian planets and were then ejected by them. 
C)  right there in the Oort cloud very far from the Sun.

Question 14

Iron meteorites are rare to observe as meteoroids near Earth.

Accepted Answer

A) True 
 B)False

Question 15

Meteors strike Earth's atmosphere every day.

Accepted Answer

A) True 
 B)False

Question 16

A(n) ____________ is produced when Earth passes through the debris left by a comet when it passed through the inner solar system.

Accepted Answer

The answer of A(n) ____________ is produced when Earth passes...

Question 17

The meteors in meteor showers are believed to be the debris left behind in comet orbits.

Accepted Answer

A) True 
 B)False

Question 18

The ____________-type asteroids are generally found in the outer portion of the asteroid belt and are very dark.

Accepted Answer

The answer of The ____________-type asteroids are generally found in...

Question 19

The ____________ of a comet can be up to a million kilometers in diameter.

Accepted Answer

The answer of The ____________ of a comet can be...

Question 20

The upper right corner of the above albedo-color index graph is where you would find redder and dark asteroids.

Accepted Answer

A) True 
 B)False

Comets falling into the inner solar system from the ____________ are called long-period comets.

Compared to the inner asteroid belt, the outer asteroid belt is and , as shown in the above graph.

In this image, chondrules are present. What kind of meteorite is this?

Long-period comets are believed to originate in the ____________.

In the above picture, a _______ meteorite that has been cut and polished shows both rock and iron.

____________ asteroids are the most common and appear to be the source of the most common type of meteorite, the chondrites. They are more common in the inner belt and may be the source of stone meteorites.

What processes cause the difference in appearance between gas tails and dust tails in comets?

Meteorites seem to be primarily composed of material very similar to the material in asteroids.

Compare to C-types, S-types are redder and brighter as indicated in the above graph.

Most meteors come from comets, but most meteorites come from asteroids. Explain this statement.

The meteorite shown is black most likely because of friction with the air, which heats the meteoroid as it passes through Earth's atmosphere.

A(n) ____________ occurs when a bit of material enters Earth's atmosphere and becomes incandescent due to friction with the atmosphere.

One currently accepted theory suggests that the bodies in the Oort cloud formed

Iron meteorites are rare to observe as meteoroids near Earth.

Meteors strike Earth's atmosphere every day.

A(n) ____________ is produced when Earth passes through the debris left by a comet when it passed through the inner solar system.

The meteors in meteor showers are believed to be the debris left behind in comet orbits.

The ____________-type asteroids are generally found in the outer portion of the asteroid belt and are very dark.

The ____________ of a comet can be up to a million kilometers in diameter.

The upper right corner of the above albedo-color index graph is where you would find redder and dark asteroids.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Astrobiology: Life on Other Worlds

Filters

Exam 19: Meteorites, Asteroids, and Comets

Comets falling into the inner solar system from the ____________ are called long-period comets.

Compared to the inner asteroid belt, the outer asteroid belt is ____________ and ____________, as shown in the above graph.

In this image, chondrules are present. What kind of meteorite is this?

Long-period comets are believed to originate in the ____________.

In the above picture, a _______ meteorite that has been cut and polished shows both rock and iron.

____________ asteroids are the most common and appear to be the source of the most common type of meteorite, the chondrites. They are more common in the inner belt and may be the source of stone meteorites.

What processes cause the difference in appearance between gas tails and dust tails in comets?

Meteorites seem to be primarily composed of material very similar to the material in asteroids.

Compare to C-types, S-types are redder and brighter as indicated in the above graph.

Most meteors come from comets, but most meteorites come from asteroids. Explain this statement.

The meteorite shown is black most likely because of friction with the air, which heats the meteoroid as it passes through Earth's atmosphere.

A(n) ____________ occurs when a bit of material enters Earth's atmosphere and becomes incandescent due to friction with the atmosphere.

One currently accepted theory suggests that the bodies in the Oort cloud formed

Iron meteorites are rare to observe as meteoroids near Earth.

Meteors strike Earth's atmosphere every day.

A(n) ____________ is produced when Earth passes through the debris left by a comet when it passed through the inner solar system.

The meteors in meteor showers are believed to be the debris left behind in comet orbits.

The ____________-type asteroids are generally found in the outer portion of the asteroid belt and are very dark.

The ____________ of a comet can be up to a million kilometers in diameter.

The upper right corner of the above albedo-color index graph is where you would find redder and dark asteroids.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Astrobiology: Life on Other Worlds

Filters

Compared to the inner asteroid belt, the outer asteroid belt is and , as shown in the above graph.