Question 1

Around other suns, we have found Jupiters where Mercury should be.

Accepted Answer

A) True 
 B)False

Question 2

What is the role of dust in the condensation theory?

Accepted Answer

Dust provides the co

Question 3

What are the chemical and physical properties of the solar system that any theory of its origin must explain?

Accepted Answer

The inner planets have high densities, m

Question 4

Any model of solar system formation must explain why every planet is relatively isolated in space.

Accepted Answer

A) True 
 B)False

Question 5

As the solar nebula contracts due to gravitation, the cloud

Accepted Answer

A)  spins faster. 
B)  expands. 
C)  becomes more spherical in shape. 
D)  changes direction of motion. 
E)  begins to cool. 
A)  spins faster. 
B)  expands. 
C)  becomes more spherical in shape. 
D)  changes direction of motion. 
E)  begins to cool.

Question 6

When looking for the "Doppler Wobble" (radial velocity changes detected due to Doppler shifts), which mass combination is most likely to be detected?

Accepted Answer

A)  High mass star, high mass planet 
B)  High mass star, low mass planet 
C)  Low mass star, high mass planet 
D)  Low mass star, low mass planet 
E)  A high mass planet; the mass of the star is irrelevant. 
A)  High mass star, high mass planet 
B)  High mass star, low mass planet 
C)  Low mass star, high mass planet 
D)  Low mass star, low mass planet 
E)  A high mass planet; the mass of the star is irrelevant.

Question 7

What support for the solar nebula theory has come from observations of nearby young stars?

Accepted Answer

Many show dusty disks, with large infrar

Question 8

When was the first confirmed exoplanet discovered?

Accepted Answer

A)  Shortly after the invention of the telescope, in the early 1600s 
B)  In prehistoric times 
C)  Around 350 BC, by the Ancient Greeks 
D)  Early in the 21st century 
E)  Near the end of the 20th century 
A)  Shortly after the invention of the telescope, in the early 1600s 
B)  In prehistoric times 
C)  Around 350 BC, by the Ancient Greeks 
D)  Early in the 21st century 
E)  Near the end of the 20th century

Question 9

As a result of the ejection of planetesimals into the Oort Cloud, simulations indicate that Uranus and Neptune moved

Accepted Answer

A)  closer to the Sun. 
B)  further from the Sun. 
C)  along their orbits at a different rate. 
D)  from the inner solar system to the outer solar system. 
E)  from the outer solar system to the inner solar system. 
A)  closer to the Sun. 
B)  further from the Sun. 
C)  along their orbits at a different rate. 
D)  from the inner solar system to the outer solar system. 
E)  from the outer solar system to the inner solar system.

Question 10

In the process of planetary formation, when would the inward migration of Jupiters have been most likely?

Accepted Answer

A)  Shortly after all of the planets had finished forming 
B)  Just after the system was cleared of the remaining gas 
C)  Before these planets had grown to full size 
D)  After these planets had reached full size, but before terrestrial planets had finished forming 
E)  At least hundreds of millions of years after planetary formation ended 
A)  Shortly after all of the planets had finished forming 
B)  Just after the system was cleared of the remaining gas 
C)  Before these planets had grown to full size 
D)  After these planets had reached full size, but before terrestrial planets had finished forming 
E)  At least hundreds of millions of years after planetary formation ended

Question 11

Which molecule has not yet been detected in the atmospheres of exoplanets?

Accepted Answer

A)  Methane 
B)  Carbon dioxide 
C)  Oxygen 
D)  Water 
A)  Methane 
B)  Carbon dioxide 
C)  Oxygen 
D)  Water

Question 12

We now know of over 100 jovian exoplanets, but no terrestrial planets around other stars similar to the Sun.

Accepted Answer

A) True 
 B)False

Question 13

Describe two methods that have already been used to study extrasolar planets, and which one gives us the most information.

Accepted Answer

Extrasolar planets have been detected by

Question 14

Most of first extrasolar planets found were detected by

Accepted Answer

A)  noting the drop in the star's light as the planet transits its disk. 
B)  imaging them with the HST in the infrared, where they are easier to stop. 
C)  noting the Doppler shifts of the star as the planet orbits it from side to side. 
D)  receiving radio transmissions from them, much like Jupiter emits. 
E)  detecting the oxygen in their atmospheres spectroscopically. 
A)  noting the drop in the star's light as the planet transits its disk. 
B)  imaging them with the HST in the infrared, where they are easier to stop. 
C)  noting the Doppler shifts of the star as the planet orbits it from side to side. 
D)  receiving radio transmissions from them, much like Jupiter emits. 
E)  detecting the oxygen in their atmospheres spectroscopically.

Question 15

In the currently accepted theory for the formation of the solar system, the planets and other minor bodies and the ________ formed at about the same time.

Accepted Answer

The answer of In the currently accepted theory for the...

Question 16

Different temperatures within the solar nebula ultimately determined the compositions of the planets and their moons.

Accepted Answer

A) True 
 B)False

Question 17

The Kepler mission uses which technique to detect planet candidates?

Accepted Answer

A)  Radial velocity measurements 
B)  Direct imaging 
C)  Measurements of transverse motion 
D)  Planetary transits 
A)  Radial velocity measurements 
B)  Direct imaging 
C)  Measurements of transverse motion 
D)  Planetary transits

Question 18

Explain how the Doppler Effect has been used to detect invisible planets orbiting other Sun-like stars.

Accepted Answer

The Jupiter-like planets are massive eno

Question 19

When we are lucky enough to see an extra-solar planet transit its star

Accepted Answer

A)  It will cause the star to vanish for several hours. 
B)  We can by the drop in light find the planet's size, mass, and density. 
C)  We can determine what elements are in its atmosphere. 
D)  We can determine its shape. 
E)  We can be certain it is a terrestrial, not a jovian. 
A)  It will cause the star to vanish for several hours. 
B)  We can by the drop in light find the planet's size, mass, and density. 
C)  We can determine what elements are in its atmosphere. 
D)  We can determine its shape. 
E)  We can be certain it is a terrestrial, not a jovian.

Question 20

Explain the stage in which the solar system formed pretty much in a plane.

Accepted Answer

The flat shape of the solar sy

Around other suns, we have found Jupiters where Mercury should be.

What is the role of dust in the condensation theory?

What are the chemical and physical properties of the solar system that any theory of its origin must explain?

Any model of solar system formation must explain why every planet is relatively isolated in space.

As the solar nebula contracts due to gravitation, the cloud

When looking for the "Doppler Wobble" (radial velocity changes detected due to Doppler shifts), which mass combination is most likely to be detected?

What support for the solar nebula theory has come from observations of nearby young stars?

When was the first confirmed exoplanet discovered?

As a result of the ejection of planetesimals into the Oort Cloud, simulations indicate that Uranus and Neptune moved

In the process of planetary formation, when would the inward migration of Jupiters have been most likely?

Which molecule has not yet been detected in the atmospheres of exoplanets?

We now know of over 100 jovian exoplanets, but no terrestrial planets around other stars similar to the Sun.

Describe two methods that have already been used to study extrasolar planets, and which one gives us the most information.

Most of first extrasolar planets found were detected by

In the currently accepted theory for the formation of the solar system, the planets and other minor bodies and the ________ formed at about the same time.

Different temperatures within the solar nebula ultimately determined the compositions of the planets and their moons.

The Kepler mission uses which technique to detect planet candidates?

Explain how the Doppler Effect has been used to detect invisible planets orbiting other Sun-like stars.

When we are lucky enough to see an extra-solar planet transit its star

Explain the stage in which the solar system formed pretty much in a plane.

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

Around other suns, we have found Jupiters where Mercury should be.

What is the role of dust in the condensation theory?

What are the chemical and physical properties of the solar system that any theory of its origin must explain?

Any model of solar system formation must explain why every planet is relatively isolated in space.

As the solar nebula contracts due to gravitation, the cloud

When looking for the "Doppler Wobble" (radial velocity changes detected due to Doppler shifts), which mass combination is most likely to be detected?

What support for the solar nebula theory has come from observations of nearby young stars?

When was the first confirmed exoplanet discovered?

As a result of the ejection of planetesimals into the Oort Cloud, simulations indicate that Uranus and Neptune moved

In the process of planetary formation, when would the inward migration of Jupiters have been most likely?

Which molecule has not yet been detected in the atmospheres of exoplanets?

We now know of over 100 jovian exoplanets, but no terrestrial planets around other stars similar to the Sun.

Describe two methods that have already been used to study extrasolar planets, and which one gives us the most information.

Most of first extrasolar planets found were detected by

In the currently accepted theory for the formation of the solar system, the planets and other minor bodies and the ________ formed at about the same time.

Different temperatures within the solar nebula ultimately determined the compositions of the planets and their moons.

The Kepler mission uses which technique to detect planet candidates?

Explain how the Doppler Effect has been used to detect invisible planets orbiting other Sun-like stars.

When we are lucky enough to see an extra-solar planet transit its star

Explain the stage in which the solar system formed pretty much in a plane.

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