Question 1

Meteorites seem to come from both the asteroid belt and the comets.

Accepted Answer

A) True 
 B)False  False

Question 2

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

Accepted Answer

coma

Question 3

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. 
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. C

Question 4

What evidence do we have that the orbits of the asteroids are modified by the gravitational influences of the planets

Accepted Answer

Astronomers have evidence that the aster

Question 5

Most short-period comets do not have randomly oriented orbits because

Accepted Answer

A) they are affected by the Sun's gravity. 
B) they are affected by the solar wind. 
C) they formed in the Kuiper Belt, a belt-shaped region in the plane of the solar system. 
D) their orbits are altered by the drag of their tails in the solar wind. 
E) they all were originally objects ejected from the asteroid belt. 
A) they are affected by the Sun's gravity. 
B) they are affected by the solar wind. 
C) they formed in the Kuiper Belt, a belt-shaped region in the plane of the solar system. 
D) their orbits are altered by the drag of their tails in the solar wind. 
E) they all were originally objects ejected from the asteroid belt.

Question 6

The majority of meteorite finds are iron meteorites.

Accepted Answer

A) True 
 B)False

Question 7

A typical asteroid has an orbital period around the Sun of 5.2 years. How far from the Sun is this asteroid

Accepted Answer

A) 5.2 AU 
B) 10.4 AU 
C) 27.0 AU 
D) 3.0 AU 
E) 2.3 AU 
A) 5.2 AU 
B) 10.4 AU 
C) 27.0 AU 
D) 3.0 AU 
E) 2.3 AU

Question 8

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

Accepted Answer

The physical characteristics of meteorit

Question 9

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. 
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 10

What physical processes have led to the creation of stone and iron meteorites from carbonaceous chondrite asteroids

Accepted Answer

A) collision only 
B) differentiation only 
C) fragmentation only 
D) melting only 
E) melting, differentiation, collision, fragmentation 
A) collision only 
B) differentiation only 
C) fragmentation only 
D) melting only 
E) melting, differentiation, collision, fragmentation

Question 11

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

Question 12

Widmanstätten patterns are found in ____________ meteorites.

Accepted Answer

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

Question 13

The Widmanstätten patterns found in some meteorites show that the material

Accepted Answer

A) cooled very slowly. 
B) cooled very rapidly. 
C) was never heated to the point of being molten. 
D) was molten just before it entered Earth's atmosphere. 
E) is composed primarily of organic compounds. 
A) cooled very slowly. 
B) cooled very rapidly. 
C) was never heated to the point of being molten. 
D) was molten just before it entered Earth's atmosphere. 
E) is composed primarily of organic compounds.

Question 14

Which of the following is evidence for the connection between comets and meteor showers

Accepted Answer

A) Meteor and comets have the same appearance in the sky. 
B) Meteor showers always occur when a comet is visible. 
C) Meteor showers always occur 6 months after a comet passes Earth. 
D) Meteor showers are an annual event. Many of these are known to be when the Earth crosses a comet's orbit. 
A) Meteor and comets have the same appearance in the sky. 
B) Meteor showers always occur when a comet is visible. 
C) Meteor showers always occur 6 months after a comet passes Earth. 
D) Meteor showers are an annual event. Many of these are known to be when the Earth crosses a comet's orbit.

Question 15

____________ asteroids are located in the orbit of Jupiter.

Accepted Answer

The answer of ____________ asteroids are located in the orbit...

Question 16

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

Question 17

The gas tail of a comet

Accepted Answer

A) is smooth and featureless with a spectrum identical to that of the Sun. 
B) is present even when the comet is located in the region of the Kuiper belt. 
C) is unaffected by the magnetic field of the Sun. 
D) always points toward the Sun. 
E) is streaked and shows emission lines of ionized atoms. 
A) is smooth and featureless with a spectrum identical to that of the Sun. 
B) is present even when the comet is located in the region of the Kuiper belt. 
C) is unaffected by the magnetic field of the Sun. 
D) always points toward the Sun. 
E) is streaked and shows emission lines of ionized atoms.

Question 18

Some asteroids show evidence of surface activity such as lava flows.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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 ionize

Meteorites seem to come from both the asteroid belt and the comets.

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

How is the coma of a comet produced

What evidence do we have that the orbits of the asteroids are modified by the gravitational influences of the planets

Most short-period comets do not have randomly oriented orbits because

The majority of meteorite finds are iron meteorites.

A typical asteroid has an orbital period around the Sun of 5.2 years. How far from the Sun is this asteroid

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

A meteor shower is produced when

What physical processes have led to the creation of stone and iron meteorites from carbonaceous chondrite asteroids

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

Widmanstätten patterns are found in ____________ meteorites.

The Widmanstätten patterns found in some meteorites show that the material

Which of the following is evidence for the connection between comets and meteor showers

____________ asteroids are located in the orbit of Jupiter.

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

The gas tail of a comet

Some asteroids show evidence of surface activity such as lava flows.

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

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

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

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Astrobiology: Life on Other Worlds

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Exam 19: Meteorites, Asteroids, and Comets

Meteorites seem to come from both the asteroid belt and the comets.

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

How is the coma of a comet produced

What evidence do we have that the orbits of the asteroids are modified by the gravitational influences of the planets

Most short-period comets do not have randomly oriented orbits because

The majority of meteorite finds are iron meteorites.

A typical asteroid has an orbital period around the Sun of 5.2 years. How far from the Sun is this asteroid

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

A meteor shower is produced when

What physical processes have led to the creation of stone and iron meteorites from carbonaceous chondrite asteroids

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

Widmanstätten patterns are found in ____________ meteorites.

The Widmanstätten patterns found in some meteorites show that the material

Which of the following is evidence for the connection between comets and meteor showers

____________ asteroids are located in the orbit of Jupiter.

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

The gas tail of a comet

Some asteroids show evidence of surface activity such as lava flows.

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

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

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

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Astrobiology: Life on Other Worlds

Filters