Question 1

Iron meteorites are the most common to be found because of ________________.

Accepted Answer

The answer of Iron meteorites are the most common to...

Question 2

The asteroid belt lies between planets ____________ and ____________

Accepted Answer

Mars, Jupi...

Question 3

The existence of the Oort cloud cannot be confirmed observationally from Earth because the objects are too small and distant.

Accepted Answer

A) True 
 B)False

Question 4

The Kuiper Belt is predicted to be the place where most of the short-period comets formed.

Accepted Answer

A) True 
 B)False

Question 5

No asteroids have orbits that cross the Earth's orbit.

Accepted Answer

A) True 
 B)False

Question 6

A meteor shower is produced when

Accepted Answer

A)   a large number of sporadic meteors are observed.
B)   Earth passes through the asteroid belt.
C)   massive particles are carried outward from the Sun by the solar wind and enter Earth's atmosphere.
D)   Earth passes through the orbital path of a comet.
E)   meteors cause condensation in the upper atmosphere that leads to early morning rains.

Question 7

How is the coma of a comet produced?

Accepted Answer

A)   Rocky material breaks off from the comet to form the coma.
B)   The coma is a cloud of particles that the comet has swept up in its orbital path.
C)   Ices vaporize to become gas that forms the coma around the comet.
D)   Particles in the solar wind get caught in the comet's magnetic field to form the coma.

Question 8

Meteors seen during a meteor shower appear to come from a point in the sky called the ____________________.

Accepted Answer

The answer of Meteors seen during a meteor shower appear...

Question 9

A bit of matter that enters Earth's atmosphere and survives to reach the ground is called

Accepted Answer

A)   a meteor.
B)   a meteoroid.
C)   a meteorite.
D)   a minor planet.
E)   an asteroid.

Question 10

____ asteroids appear to have nickel-iron compositions and may be the cores of broken asteroids.

Accepted Answer

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

Question 11

Achondrites are rich in volatiles.

Accepted Answer

A) True 
 B)False

Question 12

What does the presence of the Widmanstätten patterns in iron meteorites tell us about their history?

Accepted Answer

The physical characteristics of meteo...

Question 13

If a comet were located at the blue arrow along the comet's orbit in the picture above then the tails of the comet would point along the path of the orbit but ahead of the coma.

Accepted Answer

A) True 
 B)False

Question 14

Carbonaceous chondrites have been heated to high temperature at least once since they formed.

Accepted Answer

A) True 
 B)False

Question 15

Widmanstätten patterns are found in ____________ meteorites.

Accepted Answer

The answer of Widmanstätten patterns are found in ____________ meteorites....

Question 16

How might we explain the origin of the different types of meteorites among the asteroids?

Accepted Answer

Meteorites are fragments of parent bo...

Question 17

A dirty snowball description for a comet nucleus suggests that the composition is ices.

Accepted Answer

A) True 
 B)False

Question 18

Carbonaceous chondrites are meteorites that have

Accepted Answer

A)   never been melted since formation from solid particles in the solar nebula.
B)   totally melted after formation.
C)   been made from hydrogen and helium.
D)   never entered Earth's atmosphere.
E)   entered Earth's atmosphere but will be destroyed before reaching the ground.

Question 19

The gas tail of a comet always

Accepted Answer

A)   trails behind the head along the orbital path.
B)   extends ahead of the head along the orbital path.
C)   points toward the Sun.
D)   points away from the Sun.
E)   points perpendicular to the orbital path.

Question 20

___-type asteroids are most common.

Accepted Answer

The answer of ___-type asteroids are most common....

Exam 19: Meteorites, Asteroids, and Comets

The gas tail of a comet always

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___-type asteroids are most common.

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No asteroids have orbits that cross the Earth's orbit.

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A dirty snowball description for a comet nucleus suggests that the composition is ices.

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Meteors seen during a meteor shower appear to come from a point in the sky called the ____________________.

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How might we explain the origin of the different types of meteorites among the asteroids?

Correct Answerverified​ Meteorites are fragments of parent bo...View AnswerShow Answer

The asteroid belt lies between planets ____________ and ____________

Correct AnswerverifiedMars, Jupi...View AnswerShow Answer

Widmanstätten patterns are found in ____________ meteorites.

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Carbonaceous chondrites are meteorites that have

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How is the coma of a comet produced?

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The Kuiper Belt is predicted to be the place where most of the short-period comets formed.

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A meteor shower is produced when

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Achondrites are rich in volatiles.

Correct AnswerverifiedShow Answer

If a comet were located at the blue arrow along the comet's orbit in the picture above then the tails of the comet would point along the path of the orbit but ahead of the coma.

Correct AnswerverifiedShow Answer

A bit of matter that enters Earth's atmosphere and survives to reach the ground is called

Correct AnswerverifiedShow Answer

____ asteroids appear to have nickel-iron compositions and may be the cores of broken asteroids.

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The existence of the Oort cloud cannot be confirmed observationally from Earth because the objects are too small and distant.

Correct AnswerverifiedShow Answer

Carbonaceous chondrites have been heated to high temperature at least once since they formed.

Correct AnswerverifiedShow Answer

What does the presence of the Widmanstätten patterns in iron meteorites tell us about their history?

Correct Answerverified​ The physical characteristics of meteo...View AnswerShow Answer

Iron meteorites are the most common to be found because of ________________.

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Meteorites are fragments of parent bo...
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The asteroid belt lies between planets and

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Mars, Jupi...
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The physical characteristics of meteo...
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