Question 1

The pressure of sunlight was one of the forces that cleared the solar nebula.

Accepted Answer

A) True 
 B)False

Question 2

The Jovian planets have lower average densities than the terrestrial planets.

Accepted Answer

A) True 
 B)False

Question 3

____________ are located beyond the asteroid belt (3 AU) from the Sun, have extremely large masses and very low densities.

Accepted Answer

A)  Comets 
B)  Extrasolar planets 
C)  Asteroids 
D)  Terrestrial planets 
E)  Jovian planets 
A)  Comets 
B)  Extrasolar planets 
C)  Asteroids 
D)  Terrestrial planets 
E)  Jovian planets

Question 4

Protoplanets of the Jovian planets could have grown very hot from

Accepted Answer

A)  heat from the Sun. 
B)  radioactivity of light elements such as hydrogen and helium. 
C)  the infall of material at high velocity. 
D)  tidal forces due to the Sun. 
E)  collisions with large planetesimals. 
A)  heat from the Sun. 
B)  radioactivity of light elements such as hydrogen and helium. 
C)  the infall of material at high velocity. 
D)  tidal forces due to the Sun. 
E)  collisions with large planetesimals.

The pressure of sunlight was one of the forces that cleared the solar nebula.

The Jovian planets have lower average densities than the terrestrial planets.

____________ are located beyond the asteroid belt (3 AU) from the Sun, have extremely large masses and very low densities.

Protoplanets of the Jovian planets could have grown very hot from

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

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 15: Origin of the Solar System and Extrasolar Planets

The pressure of sunlight was one of the forces that cleared the solar nebula.

The Jovian planets have lower average densities than the terrestrial planets.

____________ are located beyond the asteroid belt (3 AU) from the Sun, have extremely large masses and very low densities.

Protoplanets of the Jovian planets could have grown very hot from

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

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters