Question 1

Jupiter and the other jovian planets may have formed significantly closer to the Sun than their current orbits.

Accepted Answer

A) True 
 B)False

Question 2

Concerning our solar nebula theory, the presence of so many "hot Jupiters" gives us problems with how they can form that close to their star.

Accepted Answer

A) True 
 B)False

Question 3

Most extrasolar planets are hot Jupiters, discovered in the infrared by the Spitzer Space telescope.

Accepted Answer

A) True 
 B)False

Question 4

Super-earths are

Accepted Answer

A)  planets that are most earthlike, likely to harbor life. 
B)  planets that are a few times the mass of the Earth. 
C)  planets that have earthlike masses, but orbit much closer to their star than the Earth does to the Sun. 
D)  any rocky (or terrestrial) planet. 
E)  Earth-mass planets that are much lower in density than the Earth, giving them larger radii. 
A)  planets that are most earthlike, likely to harbor life. 
B)  planets that are a few times the mass of the Earth. 
C)  planets that have earthlike masses, but orbit much closer to their star than the Earth does to the Sun. 
D)  any rocky (or terrestrial) planet. 
E)  Earth-mass planets that are much lower in density than the Earth, giving them larger radii.

Question 5

Which objects in the solar system have been least modified since the formation of the solar system?

Accepted Answer

A)  Asteroids 
B)  Kuiper Belt objects 
C)  Meteoroids 
D)  Terrestrial planets 
E)  Jovian moons 
A)  Asteroids 
B)  Kuiper Belt objects 
C)  Meteoroids 
D)  Terrestrial planets 
E)  Jovian moons

Question 6

The ________ theory describes the origin of the planets as having been formed by accretion of small particles into progressively larger and larger bodies.

Accepted Answer

The answer of The ________ theory describes the origin of...

Question 7

The Kuiper Belt is

Accepted Answer

A)  another name for the Asteroid Belt. 
B)  a band of icy planetesimals found beyond Neptune's orbit. 
C)  where all comets come from. 
D)  the name given to icy bodies found between Jupiter and Saturn. 
E)  the name given to icy bodies found between Mars and Jupiter. 
A)  another name for the Asteroid Belt. 
B)  a band of icy planetesimals found beyond Neptune's orbit. 
C)  where all comets come from. 
D)  the name given to icy bodies found between Jupiter and Saturn. 
E)  the name given to icy bodies found between Mars and Jupiter.

Question 8

Briefly outline the theory or hypothesis which best explains the origin of the solar system.

Accepted Answer

A large nebula began to collapse gravita

Question 9

While most large moons orbit counterclockwise above their planets' equators, the smaller moons often show eccentric or even retrograde orbits, suggesting capture.

Accepted Answer

A) True 
 B)False

Question 10

In general, the surfaces of the planets will be ________ than the age of the solar system.

Accepted Answer

The answer of In general, the surfaces of the planets...

Question 11

An alternative to the core-accretion theory that explains the formation of the jovian planets is the

Accepted Answer

A)  differentiation theory. 
B)  collision theory. 
C)  gravitational instability theory. 
D)  Big Bang theory. 
E)  nebular contraction theory. 
A)  differentiation theory. 
B)  collision theory. 
C)  gravitational instability theory. 
D)  Big Bang theory. 
E)  nebular contraction theory.

Question 12

Why do the present methods of finding extrasolar planets (Doppler measurement and planetary transits) not favor finding solar systems like ours?

Accepted Answer

Doppler shifts are greatest for rapidly

Question 13

What are the properties of the Sun that any theory of the origin of the solar system must explain?

Accepted Answer

The Sun contains most of the m

Question 14

Dust is an important part of the nebular theory of solar system formation because dust is needed to explain

Accepted Answer

A)  how the inner planets came to be rocky bodies. 
B)  how the outer planets came to be gaseous bodies. 
C)  how the initial cloud cooled enough to collapse. 
D)  how the initial cloud heated as it contracted. 
E)  why the icy bodies are located so far from the Sun. 
A)  how the inner planets came to be rocky bodies. 
B)  how the outer planets came to be gaseous bodies. 
C)  how the initial cloud cooled enough to collapse. 
D)  how the initial cloud heated as it contracted. 
E)  why the icy bodies are located so far from the Sun.

Question 15

Describe how the observable properties of the solar system are related to its process of formation.

Accepted Answer

All the orbital and rotational motions c

Question 16

In the conventional scenario, during phase of planet formation caused the jovian planets to form?

Accepted Answer

A)  Core-accretion 
B)  Fragmentation 
C)  Differentiation 
D)  Collision 
E)  Condensation 
A)  Core-accretion 
B)  Fragmentation 
C)  Differentiation 
D)  Collision 
E)  Condensation

Question 17

The Doppler radial velocity technique works best for

Accepted Answer

A)  planets whose orbits are along are line of sight. 
B)  planets whose orbits are perpendicular to our line of sight. 
C)  planets whose orbits are nearly circular. 
D)  planets whose orbits are very eccentric. 
A)  planets whose orbits are along are line of sight. 
B)  planets whose orbits are perpendicular to our line of sight. 
C)  planets whose orbits are nearly circular. 
D)  planets whose orbits are very eccentric.

Question 18

While all planet orbits are ellipses, the orbits of the eight large planets are relatively ________.

Accepted Answer

The answer of While all planet orbits are ellipses, the...

Question 19

Extrasolar planets are placed in groups by their approximate masses. What are four of these classes?

Accepted Answer

Planets above about 2 times the mass of

Question 20

A successful theory of the formation of the solar system must explain

Accepted Answer

A)  that all planets rotate in a prograde sense. 
B)  that all planets have elliptical orbits with high eccentricities. 
C)  the existence of the asteroid belt between Jupiter and Neptune. 
D)  that the inner planets have more hydrogen and helium in their atmospheres than do the outer planets. 
E)  all observed properties of the solar system. 
A)  that all planets rotate in a prograde sense. 
B)  that all planets have elliptical orbits with high eccentricities. 
C)  the existence of the asteroid belt between Jupiter and Neptune. 
D)  that the inner planets have more hydrogen and helium in their atmospheres than do the outer planets. 
E)  all observed properties of the solar system.

Jupiter and the other jovian planets may have formed significantly closer to the Sun than their current orbits.

Concerning our solar nebula theory, the presence of so many "hot Jupiters" gives us problems with how they can form that close to their star.

Most extrasolar planets are hot Jupiters, discovered in the infrared by the Spitzer Space telescope.

Super-earths are

Which objects in the solar system have been least modified since the formation of the solar system?

The ________ theory describes the origin of the planets as having been formed by accretion of small particles into progressively larger and larger bodies.

The Kuiper Belt is

Briefly outline the theory or hypothesis which best explains the origin of the solar system.

While most large moons orbit counterclockwise above their planets' equators, the smaller moons often show eccentric or even retrograde orbits, suggesting capture.

In general, the surfaces of the planets will be ________ than the age of the solar system.

An alternative to the core-accretion theory that explains the formation of the jovian planets is the

Why do the present methods of finding extrasolar planets (Doppler measurement and planetary transits) not favor finding solar systems like ours?

What are the properties of the Sun that any theory of the origin of the solar system must explain?

Dust is an important part of the nebular theory of solar system formation because dust is needed to explain

Describe how the observable properties of the solar system are related to its process of formation.

In the conventional scenario, during phase of planet formation caused the jovian planets to form?

The Doppler radial velocity technique works best for

While all planet orbits are ellipses, the orbits of the eight large planets are relatively ________.

Extrasolar planets are placed in groups by their approximate masses. What are four of these classes?

A successful theory of the formation of the solar system must explain

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters

Exam 7: Formation of Planetary Systems

Jupiter and the other jovian planets may have formed significantly closer to the Sun than their current orbits.

Concerning our solar nebula theory, the presence of so many "hot Jupiters" gives us problems with how they can form that close to their star.

Most extrasolar planets are hot Jupiters, discovered in the infrared by the Spitzer Space telescope.

Super-earths are

Which objects in the solar system have been least modified since the formation of the solar system?

The ________ theory describes the origin of the planets as having been formed by accretion of small particles into progressively larger and larger bodies.

The Kuiper Belt is

Briefly outline the theory or hypothesis which best explains the origin of the solar system.

While most large moons orbit counterclockwise above their planets' equators, the smaller moons often show eccentric or even retrograde orbits, suggesting capture.

In general, the surfaces of the planets will be ________ than the age of the solar system.

An alternative to the core-accretion theory that explains the formation of the jovian planets is the

Why do the present methods of finding extrasolar planets (Doppler measurement and planetary transits) not favor finding solar systems like ours?

What are the properties of the Sun that any theory of the origin of the solar system must explain?

Dust is an important part of the nebular theory of solar system formation because dust is needed to explain

Describe how the observable properties of the solar system are related to its process of formation.

In the conventional scenario, during phase of planet formation caused the jovian planets to form?

The Doppler radial velocity technique works best for

While all planet orbits are ellipses, the orbits of the eight large planets are relatively ________.

Extrasolar planets are placed in groups by their approximate masses. What are four of these classes?

A successful theory of the formation of the solar system must explain

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters