Question 1

The ____________________ planets have larger radii than the ____________________ planets.

Accepted Answer

The answer of The ____________________ planets have larger radii than...

Question 2

A planet found orbiting a star other than the Sun is called a(n)____________________ planet.

Accepted Answer

The answer of A planet found orbiting a star other...

Question 3

On a photograph of the Earth's moon,the Moon measures 30 cm in diameter and a small crater measures 0.2 cm.The Moon's physical diameter is 1738 km.What is the physical diameter of the small crater?

Accepted Answer

A) about 12 km 
B) about 120 km 
C) about 350 km 
D) about 1738 km 
A) about 12 km 
B) about 120 km 
C) about 350 km 
D) about 1738 km

Question 4

The asteroid belt is found between the orbits of two planets.What are they?

Accepted Answer

A) Earth and Mars 
B) Mars and Jupiter 
C) Jupiter and Saturn 
D) Venus and Earth 
A) Earth and Mars 
B) Mars and Jupiter 
C) Jupiter and Saturn 
D) Venus and Earth

Question 5

When particles in the solar nebula grew large enough,they stopped growing by accretion and began growing by condensation.

Accepted Answer

A) True 
 B)False

Question 6

After the first solid grains formed in our solar system,by what process were these particles then able to grow?

Accepted Answer

A) sublimation 
B) accretion 
C) hydration 
D) condensation 
A) sublimation 
B) accretion 
C) hydration 
D) condensation

Question 7

Approximately how old are the oldest rocks found on Earth?

Accepted Answer

A) 14 billion years old 
B) 10.5 billion years old 
C) 7.0 billion years old 
D) 4.4 billion years old 
A) 14 billion years old 
B) 10.5 billion years old 
C) 7.0 billion years old 
D) 4.4 billion years old

Question 8

Why would the larger planetesimals have grown faster than the smaller planetesimals?

Accepted Answer

A) They were moving faster in their orbits than the smaller planetesimals. 
B) Their stronger gravity would pull in more material. 
C) There was more material located near them that could be accreted. 
D) The smaller planetesimals were covered by a layer of material that was lost during collisions. 
A) They were moving faster in their orbits than the smaller planetesimals. 
B) Their stronger gravity would pull in more material. 
C) There was more material located near them that could be accreted. 
D) The smaller planetesimals were covered by a layer of material that was lost during collisions.

Question 9

Describe four effects that helped to clear the solar nebula.

Accepted Answer

The answer of Describe four effects that helped to clear...

The planets have larger radii than the planets.

A planet found orbiting a star other than the Sun is called a(n)____________________ planet.

On a photograph of the Earth's moon,the Moon measures 30 cm in diameter and a small crater measures 0.2 cm.The Moon's physical diameter is 1738 km.What is the physical diameter of the small crater?

The asteroid belt is found between the orbits of two planets.What are they?

When particles in the solar nebula grew large enough,they stopped growing by accretion and began growing by condensation.

After the first solid grains formed in our solar system,by what process were these particles then able to grow?

Approximately how old are the oldest rocks found on Earth?

Why would the larger planetesimals have grown faster than the smaller planetesimals?

Describe four effects that helped to clear the solar nebula.

The Scale of the Cosmos

User's Guide to the Sky

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments

Sun Light and Sun Atoms

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

Comparative Planetology of the Terrestrial Planets

Comparative Planetology of the Jovian Planets

Life on Other Worlds

Filters

Exam 12: The Origin of the Solar System

The ____________________ planets have larger radii than the ____________________ planets.

A planet found orbiting a star other than the Sun is called a(n)____________________ planet.

On a photograph of the Earth's moon,the Moon measures 30 cm in diameter and a small crater measures 0.2 cm.The Moon's physical diameter is 1738 km.What is the physical diameter of the small crater?

The asteroid belt is found between the orbits of two planets.What are they?

When particles in the solar nebula grew large enough,they stopped growing by accretion and began growing by condensation.

After the first solid grains formed in our solar system,by what process were these particles then able to grow?

Approximately how old are the oldest rocks found on Earth?

Why would the larger planetesimals have grown faster than the smaller planetesimals?

Describe four effects that helped to clear the solar nebula.

The Scale of the Cosmos

User's Guide to the Sky

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments

Sun Light and Sun Atoms

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

Comparative Planetology of the Terrestrial Planets

Comparative Planetology of the Jovian Planets

Life on Other Worlds

Filters

The planets have larger radii than the planets.