Question 1

Most meteors come from pieces of comets.

Accepted Answer

A) True 
 B)False

Question 2

Where are S-type asteroids typically found in the Solar System?

Accepted Answer

A)   in the Kuiper belt
B)   the inner asteroid belt
C)   the outer asteroid belt
D)   at the Lagrange points of Jupiter
E)   near EarthF) B) and E)
G) None of the above

Question 3

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

Accepted Answer

The answer of Eugene Shoemaker proved that the Barringer Crater...

Question 4

_______________ are comets that come very close to the Sun.

Accepted Answer

The answer of _______________ are comets that come very close...

Question 5

What do you think would happen to life on Earth if Earth was hit by a large (1 km or bigger) asteroid or comet?

Accepted Answer

Sixty-five million years ago, at the end...

Question 6

What do scientists believe to have caused the Tunguska event?

Accepted Answer

A)   a comet
B)   an iron asteroid
C)   a stony-iron meteorite
D)   a stony asteroid
E)   a carbonaceous chondriteF) D) and E)
G) B) and C)

Question 7

Only about three comets per year plunge into the Sun and are destroyed.

Accepted Answer

A) True 
 B)False

Question 8

Explain the phenomenon of Kirkwood gaps. Where can they occur?

Accepted Answer

The distribution of asteroids in the bel...

Question 9

What do the size and shape of Widmanstätten patters indicate?

Accepted Answer

A)   the age of the meteorite
B)   that the molten metal of the meteorite cooled very slowly
C)   the metallic content of the core of the meteorite
D)   the origination of the meteorite
E)   the number of organic compounds found within the meteoriteF) C) and D)
G) All of the above

Question 10

_______________ objects are asteroids with orbits that carry them into the inner Solar System.

Accepted Answer

Apollo-Amo...

Question 11

What type of celestial bodies are found within the Oort cloud?

Accepted Answer

A)   terrestrial-like planets
B)   planetesimals
C)   icy gas giants
D)   dust and rock
E)   icy bodiesF) A) and B)
G) All of the above

Question 12

Gas and dust released by a comet's icy nucleus produce a(n) _______________ and are then blown outward, away from the Sun.

Accepted Answer

The answer of Gas and dust released by a comet's...

Question 13

Which type of asteroid is classified as rocky, bright, and reddish?

Accepted Answer

A)   C-type
B)   F-type
C)   M-type
D)   S-type
E)   V-typeF) C) and D)
G) None of the above

Question 14

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

Accepted Answer

A) True 
 B)False

Question 15

Long-period comets originate in the _______________.

Accepted Answer

The answer of Long-period comets originate in the _______________....

Question 16

Where on Earth is the impact crater that scientists believe caused the extinction of dinosaurs?

Accepted Answer

A)   Flagstaff, Arizona
B)   Chicxulub, Mexico
C)   Aricebo, Puerto Rico
D)   Mauna Kea, Hawaii
E)   AntarcticaF) C) and E)
G) A) and B)

Question 17

Earth is hit about once a week by meter-size asteroids.

Accepted Answer

A) True 
 B)False

Question 18

Some asteroids have moons.

Accepted Answer

A) True 
 B)False

Question 19

Why don't short-period comets have randomly oriented orbits?

Accepted Answer

A)   Their orbits have been altered by encounters with planets.
B)   Their orbits are altered by the Sun's gravitational pull.
C)   Their orbits have been altered by impacts from asteroids.
D)   Their orbits have been altered by the Lagrange points of Jupiter.
E)   Their orbits have been altered by solar wind particles from a CME.F) B) and D)
G) D) and E)

Question 20

The ____ of a comet is a lump of fragile, porous material containing ices of water, carbon dioxide, and ammonia.

Accepted Answer

A)   nucleus
B)   coma
C)   dust tail
D)   gas tail
E)   chondruleF) A) and B)
G) A) and C)

Exam 16: Meteorites Asteroids and Comets

Which type of asteroid is classified as rocky, bright, and reddish?

Correct AnswerverifiedShow Answer

Where on Earth is the impact crater that scientists believe caused the extinction of dinosaurs?

Correct AnswerverifiedShow Answer

What do the size and shape of Widmanstätten patters indicate?

Correct AnswerverifiedShow Answer

What do scientists believe to have caused the Tunguska event?

Correct AnswerverifiedShow Answer

Only about three comets per year plunge into the Sun and are destroyed.

Correct AnswerverifiedShow Answer

Long-period comets originate in the _______________.

Correct AnswerverifiedShow Answer

_______________ objects are asteroids with orbits that carry them into the inner Solar System.

Correct AnswerverifiedApollo-Amo...View AnswerShow Answer

Explain the phenomenon of Kirkwood gaps. Where can they occur?

Correct AnswerverifiedThe distribution of asteroids in the bel...View AnswerShow Answer

Earth is hit about once a week by meter-size asteroids.

Correct AnswerverifiedShow Answer

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

Correct AnswerverifiedShow Answer

Most meteors come from pieces of comets.

Correct AnswerverifiedShow Answer

The ____ of a comet is a lump of fragile, porous material containing ices of water, carbon dioxide, and ammonia.

Correct AnswerverifiedShow Answer

Gas and dust released by a comet's icy nucleus produce a(n) _______________ and are then blown outward, away from the Sun.

Correct AnswerverifiedShow Answer

What do you think would happen to life on Earth if Earth was hit by a large (1 km or bigger) asteroid or comet?

Correct AnswerverifiedSixty-five million years ago, at the end...View AnswerShow Answer

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

Correct AnswerverifiedShow Answer

Where are S-type asteroids typically found in the Solar System?

Correct AnswerverifiedShow Answer

What type of celestial bodies are found within the Oort cloud?

Correct AnswerverifiedShow Answer

_______________ are comets that come very close to the Sun.

Correct AnswerverifiedShow Answer

Some asteroids have moons.

Correct AnswerverifiedShow Answer

Why don't short-period comets have randomly oriented orbits?

Correct AnswerverifiedShow Answer

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Apollo-Amo...
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The distribution of asteroids in the bel...
View Answer

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Sixty-five million years ago, at the end...
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