Question 1

Meteoroids can come from:

Accepted Answer

A)  comets. 
B)  the Moon 
C)  Mars. 
D)  all of the above. 
A)  comets. 
B)  the Moon 
C)  Mars. 
D)  all of the above.

Question 2

Arrange the following solar system bodies in order of increasing average orbital inclination:

Accepted Answer

A)  long-period comets, short-period comets, planets, and the asteroid belt. 
B)  planets, the asteroid belt, short-period comets, and long-period comets. 
C)  the asteroid belt, planets, long-period comets, and short-period comets. 
D)  long-period comets, short-period comets, the asteroid belt, and planets. 
A)  long-period comets, short-period comets, planets, and the asteroid belt. 
B)  planets, the asteroid belt, short-period comets, and long-period comets. 
C)  the asteroid belt, planets, long-period comets, and short-period comets. 
D)  long-period comets, short-period comets, the asteroid belt, and planets.

Question 3

Most of the asteroids in the asteroid belt are S-type.What does this tell us about their history?

Accepted Answer

They were part of a

Question 4

A planet with a mass of 7-ME is a(n):

Accepted Answer

A)  terrestrial planet. 
B)  super-Earth. 
C)  ice giant. 
D)  gas giant. 
A)  terrestrial planet. 
B)  super-Earth. 
C)  ice giant. 
D)  gas giant.

Question 5

The orbits of gas giants can move after their formation because of:

Accepted Answer

A)  cooling of the planet. 
B)  transfer of angular momentum from the planet's rotation to its orbit. 
C)  evolution of the central protostar. 
D)  collisions with comets. 
A)  cooling of the planet. 
B)  transfer of angular momentum from the planet's rotation to its orbit. 
C)  evolution of the central protostar. 
D)  collisions with comets.

Question 6

A bright,extended object appears in the sky one evening,visible to the naked eye.Over the next several weeks,it moves across the sky,becoming brighter as it approaches the Sun and then fainter again as it moves away.After six weeks,it fades away.This is most likely a(n):

Accepted Answer

A)  supernova. 
B)  Earth-crossing asteroid. 
C)  Trojan asteroid. 
D)  comet. 
A)  supernova. 
B)  Earth-crossing asteroid. 
C)  Trojan asteroid. 
D)  comet.

Question 7

The physical principle most directly responsible for the shape of planetary systems is:

Accepted Answer

A)  Newton's second law of motion. 
B)  the universal law of gravity. 
C)  conservation of angular momentum. 
D)  conservation of energy. 
A)  Newton's second law of motion. 
B)  the universal law of gravity. 
C)  conservation of angular momentum. 
D)  conservation of energy.

Question 8

The figure below shows the orbit of a comet around the Sun.Sketch the locations of the comet's ion and dust tails at points A,B,and C.

Accepted Answer

The answer of The figure below shows the orbit of...

Question 9

The ion tail of a comet points:

Accepted Answer

A)  in the direction of the solar wind. 
B)  in a trailing orbit near the comet. 
C)  in the direction of gas jets flowing out of the comet's nucleus. 
D)  directly behind the comet's position along its orbit. 
A)  in the direction of the solar wind. 
B)  in a trailing orbit near the comet. 
C)  in the direction of gas jets flowing out of the comet's nucleus. 
D)  directly behind the comet's position along its orbit.

Question 10

The largest explosions in Earth's history were a result of:

Accepted Answer

A)  radioactivity in Earth's core. 
B)  Earth-crossing asteroids. 
C)  nuclear weapons. 
D)  volcanoes. 
A)  radioactivity in Earth's core. 
B)  Earth-crossing asteroids. 
C)  nuclear weapons. 
D)  volcanoes.

Meteoroids can come from:

Arrange the following solar system bodies in order of increasing average orbital inclination:

Most of the asteroids in the asteroid belt are S-type.What does this tell us about their history?

A planet with a mass of 7-ME is a(n):

The orbits of gas giants can move after their formation because of:

A bright,extended object appears in the sky one evening,visible to the naked eye.Over the next several weeks,it moves across the sky,becoming brighter as it approaches the Sun and then fainter again as it moves away.After six weeks,it fades away.This is most likely a(n):

The physical principle most directly responsible for the shape of planetary systems is:

The figure below shows the orbit of a comet around the Sun.Sketch the locations of the comet's ion and dust tails at points A,B,and C.

The ion tail of a comet points:

The largest explosions in Earth's history were a result of:

Getting Started: Science, astronomy, and Being Human

A Universe Made, a Universe Discovered

A Universe of Universal Laws

A Universe of Universal Laws

Home Base: Earth and Moon

Sibling Worlds: Mercury, Venus, and Mars

Gas, ice, and Stone: the Outer Planets

Life and the Search for Habitable Worlds

The Sun As a Star

Measuring the Stars: the Main Sequence and Its Meaning

Nursery of the Stars: the Interstellar Medium and Star Formation

To the Graveyard of Stars: the End Points of Stellar Evolution

Down the Rabbit Hole: Relativity and Black Holes

Our City of Stars: the Milky Way

A Universe of Galaxies

The Cosmic Web: the Large-Scale Structure of the Universe

Cosmology

Filters

Exam 5: The Architecture and Birth of Planetary Systems

Meteoroids can come from:

Arrange the following solar system bodies in order of increasing average orbital inclination:

Most of the asteroids in the asteroid belt are S-type.What does this tell us about their history?

A planet with a mass of 7-ME is a(n):

The orbits of gas giants can move after their formation because of:

A bright,extended object appears in the sky one evening,visible to the naked eye.Over the next several weeks,it moves across the sky,becoming brighter as it approaches the Sun and then fainter again as it moves away.After six weeks,it fades away.This is most likely a(n):

The physical principle most directly responsible for the shape of planetary systems is:

The figure below shows the orbit of a comet around the Sun.Sketch the locations of the comet's ion and dust tails at points A,B,and C.

The ion tail of a comet points:

The largest explosions in Earth's history were a result of:

Getting Started: Science, astronomy, and Being Human

A Universe Made, a Universe Discovered

A Universe of Universal Laws

A Universe of Universal Laws

Home Base: Earth and Moon

Sibling Worlds: Mercury, Venus, and Mars

Gas, ice, and Stone: the Outer Planets

Life and the Search for Habitable Worlds

The Sun As a Star

Measuring the Stars: the Main Sequence and Its Meaning

Nursery of the Stars: the Interstellar Medium and Star Formation

To the Graveyard of Stars: the End Points of Stellar Evolution

Down the Rabbit Hole: Relativity and Black Holes

Our City of Stars: the Milky Way

A Universe of Galaxies

The Cosmic Web: the Large-Scale Structure of the Universe

Cosmology

Filters