Question 1

In the Local Group,how might even the Milky Way become a victim?

Accepted Answer

In the binary system of us and Andromeda

Question 2

When observing a very distant quasar,we are actually seeing the universe the way it was when it was much younger than it is today.

Accepted Answer

A) True 
 B)False

Question 3

According to the HST data,very distant (and early)galaxies tend to be:

Accepted Answer

A)  larger and bluer that modern galaxies. 
B)  nothing but quasars. 
C)  smaller, bluer, and more irregular than modern ones. 
D)  redder, due to the recession of the universe. 
E)  very well formed into clusters of nothing but spirals. 
A)  larger and bluer that modern galaxies. 
B)  nothing but quasars. 
C)  smaller, bluer, and more irregular than modern ones. 
D)  redder, due to the recession of the universe. 
E)  very well formed into clusters of nothing but spirals.

Question 4

Gravitational lensing of distant,faint irregular galaxies may be the key to:

Accepted Answer

A)  mapping the dark matter. 
B)  quasar energy production. 
C)  understanding galactic rotation curves. 
D)  understanding active galactic nuclei. 
E)  determining galactic redshifts. 
A)  mapping the dark matter. 
B)  quasar energy production. 
C)  understanding galactic rotation curves. 
D)  understanding active galactic nuclei. 
E)  determining galactic redshifts.

In the Local Group,how might even the Milky Way become a victim?

When observing a very distant quasar,we are actually seeing the universe the way it was when it was much younger than it is today.

According to the HST data,very distant (and early)galaxies tend to be:

Gravitational lensing of distant,faint irregular galaxies may be the key to:

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 Stars: Giants,Dwarfs,and the Main Sequence

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

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

In the Local Group,how might even the Milky Way become a victim?

When observing a very distant quasar,we are actually seeing the universe the way it was when it was much younger than it is today.

According to the HST data,very distant (and early)galaxies tend to be:

Gravitational lensing of distant,faint irregular galaxies may be the key to:

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 Stars: Giants,Dwarfs,and the Main Sequence

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

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