Question 1

Which of the following is the most common type of star?

Accepted Answer

A)  high mass main sequence 
B)  low mass main sequence 
C)  white dwarfs 
D)  red giants 
E)  blue supergiants 
A)  high mass main sequence 
B)  low mass main sequence 
C)  white dwarfs 
D)  red giants 
E)  blue supergiants

Question 2

On the H-R diagram,white dwarfs lie Sirius B and Procyon B lie:

Accepted Answer

A)  at the top left. 
B)  at the top right. 
C)  close to the Sun, near the center. 
D)  at the lower left. 
E)  at the lower right. 
A)  at the top left. 
B)  at the top right. 
C)  close to the Sun, near the center. 
D)  at the lower left. 
E)  at the lower right.

Question 3

If a star has a parallax of 0.05",then its distance in light years is about:

Accepted Answer

A)  6.4 light years. 
B)  12.7 light years. 
C)  20 light years. 
D)  65 light years. 
E)  100 light years. 
A)  6.4 light years. 
B)  12.7 light years. 
C)  20 light years. 
D)  65 light years. 
E)  100 light years.

Question 4

Compared to the size of the Sun,in what range of sizes are nearly all stars found?

Accepted Answer

A)  0.5 to 2 solar radii 
B)  0.1 to 1.0 solar radii 
C)  0.5 to 50 solar radii 
D)  1 to 100 solar radii 
E)  0.01 to 100 solar radii 
A)  0.5 to 2 solar radii 
B)  0.1 to 1.0 solar radii 
C)  0.5 to 50 solar radii 
D)  1 to 100 solar radii 
E)  0.01 to 100 solar radii

Question 5

In what range of masses are most stars found? What about the range in luminosity? How are they related?

Accepted Answer

To shine as a main sequence star,the mas

Question 6

Describe the distance and composition of the Alpha Centauri system.

Accepted Answer

The Alpha Centauri system is composed of

Question 7

What is the typical main sequence lifetime of a G-type star?

Accepted Answer

A)  10 million years 
B)  100 million years 
C)  1 billion years 
D)  10 billion years 
E)  100 billion years 
A)  10 million years 
B)  100 million years 
C)  1 billion years 
D)  10 billion years 
E)  100 billion years

Which of the following is the most common type of star?

On the H-R diagram,white dwarfs lie Sirius B and Procyon B lie:

If a star has a parallax of 0.05",then its distance in light years is about:

Compared to the size of the Sun,in what range of sizes are nearly all stars found?

In what range of masses are most stars found? What about the range in luminosity? How are they related?

Describe the distance and composition of the Alpha Centauri system.

What is the typical main sequence lifetime of a G-type star?

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information from the Cosmos

Spectroscopy: The Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earth's Sister Planet

Mars: A Near Miss for Life?

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Interstellar Medium: Gas and Dust among the Stars

Star Formation: A Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae,Supernovae,and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: A Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone?

Filters

Exam 17: The Stars: Giants,Dwarfs,and the Main Sequence

Which of the following is the most common type of star?

On the H-R diagram,white dwarfs lie Sirius B and Procyon B lie:

If a star has a parallax of 0.05",then its distance in light years is about:

Compared to the size of the Sun,in what range of sizes are nearly all stars found?

In what range of masses are most stars found? What about the range in luminosity? How are they related?

Describe the distance and composition of the Alpha Centauri system.

What is the typical main sequence lifetime of a G-type star?

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information from the Cosmos

Spectroscopy: The Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earth's Sister Planet

Mars: A Near Miss for Life?

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Interstellar Medium: Gas and Dust among the Stars

Star Formation: A Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae,Supernovae,and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: A Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone?

Filters