Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

____________ asteroids are more common in the outer asteroid belt where it is cooler. They are darker and may be carbonaceous.

Accepted Answer

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

Question 4

Which type of object caused the crater?

Accepted Answer

A)  meteor 
B)  meteoroid 
C)  meteorite 
D)  asteroid 
A)  meteor 
B)  meteoroid 
C)  meteorite 
D)  asteroid

Question 5

The density of Comet Halley was found to be about 0.2 g/cm3. This implies that Comet Halley

Accepted Answer

A)  is composed of about 50% rock and 50% frozen water and methane. 
B)  is loosely packed ices with a small amount of rocky material. 
C)  formed in the inner solar system and was ejected by Jupiter to the Kuiper belt. 
D)  is really an S-type asteroid. 
E)  was once a moon of Neptune and was ripped away by a large impact. 
A)  is composed of about 50% rock and 50% frozen water and methane. 
B)  is loosely packed ices with a small amount of rocky material. 
C)  formed in the inner solar system and was ejected by Jupiter to the Kuiper belt. 
D)  is really an S-type asteroid. 
E)  was once a moon of Neptune and was ripped away by a large impact.

Question 6

Explain how chondrules form and how we know they exist.

Accepted Answer

Most types of chondrites also contain ch

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Explain how meteor showers and comets are related. Explain how we know meteor showers occur each year.

Accepted Answer

​ 
The meteoroids in a meteor shower are

Question 9

Stony, chondrite, achondrite, and stony-iron meteorite types are classified according to their

Accepted Answer

A)  orbit. 
B)  distance from the Sun. 
C)  impact history. 
D)  mineral content. 
E)  coma. 
A)  orbit. 
B)  distance from the Sun. 
C)  impact history. 
D)  mineral content. 
E)  coma.

Question 10

Compared to the moon, which has an average albedo of 0.12, most M- and S-type asteroids would appear brighter to us as indicated in the above graph.

Accepted Answer

A) True 
 B)False

Question 11

The impact of a large asteroid comet with Earth has been proposed to have caused the extinction of the dinosaurs. The impact site of this comet is in or near

Accepted Answer

A)  Iowa. 
B)  Hudson Bay. 
C)  Crater Lake, Oregon. 
D)  Canberra, Australia. 
E)  Chicxulub, Mexico. 
A)  Iowa. 
B)  Hudson Bay. 
C)  Crater Lake, Oregon. 
D)  Canberra, Australia. 
E)  Chicxulub, Mexico.

Question 12

How does the dirty snowball theory explain some of the observed characteristics of comets and how may this description not be correct?

Accepted Answer

​ 
Comet nuclei have been described as d

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

Where is the Sun located in the above photo?

Accepted Answer

A)  above the top of the picture 
B)  below the horizon 
C)  to the left of the picture 
D)  to the right of the picture 
A)  above the top of the picture 
B)  below the horizon 
C)  to the left of the picture 
D)  to the right of the picture

Question 15

What evidence do we have that some asteroids have surfaces modified by geological processes?

Accepted Answer

​ 
On the asteroid Vesta, t he c entral

Question 16

The majority of meteorite finds are iron meteorites.

Accepted Answer

A) True 
 B)False

Question 17

If a large 10-km asteroid or comet struck the Earth in the ocean floor,
I. large amounts of molten rock would rain down on Earth and cause massive forest fires.
II. giant tidal waves would result
III. after effects would cause the deaths of most animal life on the planet.
IV. thick clouds of dust would form and block out the Sun for an extended period.

Accepted Answer

A)  I & IV 
B)  II & III 
C)  I, II, & III 
D)  I, II, III & IV 
E)  II, III, & IV 
A)  I & IV 
B)  II & III 
C)  I, II, & III 
D)  I, II, III & IV 
E)  II, III, & IV

Question 18

Iridium is more common in meteorites than in the crust of the Earth.

Accepted Answer

A) True 
 B)False

Question 19

As shown in the above graph, an M-type asteroid is ____________ and ____________ compared to a C-type or an S-type.

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

Question 20

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

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

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

____________ asteroids are more common in the outer asteroid belt where it is cooler. They are darker and may be carbonaceous.

Which type of object caused the crater?

The density of Comet Halley was found to be about 0.2 g/cm³. This implies that Comet Halley

Explain how chondrules form and how we know they exist.

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

Explain how meteor showers and comets are related. Explain how we know meteor showers occur each year.

Stony, chondrite, achondrite, and stony-iron meteorite types are classified according to their

Compared to the moon, which has an average albedo of 0.12, most M- and S-type asteroids would appear brighter to us as indicated in the above graph.

The impact of a large asteroid comet with Earth has been proposed to have caused the extinction of the dinosaurs. The impact site of this comet is in or near

How does the dirty snowball theory explain some of the observed characteristics of comets and how may this description not be correct?

The Widmanstätten patterns found in some meteorites show that the material

Where is the Sun located in the above photo?

What evidence do we have that some asteroids have surfaces modified by geological processes?

The majority of meteorite finds are iron meteorites.

Iridium is more common in meteorites than in the crust of the Earth.

As shown in the above graph, an M-type asteroid is and compared to a C-type or an S-type.

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

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

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Exam 19: Meteorites, Asteroids, and Comets

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

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

____________ asteroids are more common in the outer asteroid belt where it is cooler. They are darker and may be carbonaceous.

Which type of object caused the crater?

The density of Comet Halley was found to be about 0.2 g/cm3. This implies that Comet Halley

Explain how chondrules form and how we know they exist.

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

Explain how meteor showers and comets are related. Explain how we know meteor showers occur each year.

Stony, chondrite, achondrite, and stony-iron meteorite types are classified according to their

Compared to the moon, which has an average albedo of 0.12, most M- and S-type asteroids would appear brighter to us as indicated in the above graph.

The impact of a large asteroid comet with Earth has been proposed to have caused the extinction of the dinosaurs. The impact site of this comet is in or near

How does the dirty snowball theory explain some of the observed characteristics of comets and how may this description not be correct?

The Widmanstätten patterns found in some meteorites show that the material

Where is the Sun located in the above photo?

What evidence do we have that some asteroids have surfaces modified by geological processes?

The majority of meteorite finds are iron meteorites.

Iridium is more common in meteorites than in the crust of the Earth.

As shown in the above graph, an M-type asteroid is ____________ and ____________ compared to a C-type or an S-type.

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

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

The density of Comet Halley was found to be about 0.2 g/cm³. This implies that Comet Halley

As shown in the above graph, an M-type asteroid is and compared to a C-type or an S-type.