Question 1

If a large comet struck the Earth,

Accepted Answer

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

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Currently the most accepted explanation of the Tunguska Event is the explosion of

Accepted Answer

A)  a German U-2 rocket. 
B)  an iron meteor just above the surface of the earth. 
C)  a stony asteroid just above the surface of the earth. 
D)  a mini black hole in the earth's atmosphere. 
E)  an alien space craft as it crashed to earth. 
A)  a German U-2 rocket. 
B)  an iron meteor just above the surface of the earth. 
C)  a stony asteroid just above the surface of the earth. 
D)  a mini black hole in the earth's atmosphere. 
E)  an alien space craft as it crashed to earth.

Question 4

Sungrazers are

Accepted Answer

A)  asteroids located inside the orbit of Mercury. 
B)  meteorites that have a composition very similar to that of the sun. 
C)  asteroids removed from Kirkwood's gap by the influences of the sun and Jupiter. 
D)  comets that get very close to the sun. 
E)  cattle that only feed when the sky is clear. 
A)  asteroids located inside the orbit of Mercury. 
B)  meteorites that have a composition very similar to that of the sun. 
C)  asteroids removed from Kirkwood's gap by the influences of the sun and Jupiter. 
D)  comets that get very close to the sun. 
E)  cattle that only feed when the sky is clear.

Question 5

The diagram below shows the relative size of Earth's moon and the asteroid 10 Hygiea.Based on this diagram,what is the diameter of 10 Hygiea?

Accepted Answer

A)  460 km 
B)  46 km 
C)  4600 m 
D)  46 m 
E)  4600 km 
A)  460 km 
B)  46 km 
C)  4600 m 
D)  46 m 
E)  4600 km

Question 6

The type I,or 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 7

Sungrazers are comets that come very close to the surface of the sun.

Accepted Answer

A) True 
 B)False

If a large comet struck the Earth,

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

Currently the most accepted explanation of the Tunguska Event is the explosion of

Sungrazers are

The diagram below shows the relative size of Earth's moon and the asteroid 10 Hygiea.Based on this diagram,what is the diameter of 10 Hygiea?

The type I,or gas,tail of a comet

Sungrazers are comets that come very close to the surface of the sun.

Here and Now

A Users Guide to the Sky

Cycles of the Moon

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

Earth: the Standard of Comparative Planetology

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus,neptune,and the Kuiper Belt

Astrobiology: Life on Other Worlds

Filters

Exam 25: Meteorites,asteroids,and Comets

If a large comet struck the Earth,

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

Currently the most accepted explanation of the Tunguska Event is the explosion of

Sungrazers are

The diagram below shows the relative size of Earth's moon and the asteroid 10 Hygiea.Based on this diagram,what is the diameter of 10 Hygiea?

The type I,or gas,tail of a comet

Sungrazers are comets that come very close to the surface of the sun.

Here and Now

A Users Guide to the Sky

Cycles of the Moon

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

Earth: the Standard of Comparative Planetology

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus,neptune,and the Kuiper Belt

Astrobiology: Life on Other Worlds

Filters