Galaxies in the Universe
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Galaxies in the Universe

An Introduction

Linda S. Sparke, John S. Gallagher, III

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eBook - PDF

Galaxies in the Universe

An Introduction

Linda S. Sparke, John S. Gallagher, III

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About This Book

This extensively illustrated book presents the astrophysics of galaxies since their beginnings in the early Universe. It has been thoroughly revised to take into account the most recent observational data, and recent discoveries such as dark energy. There are new sections on galaxy clusters, gamma ray bursts and supermassive black holes. The authors explore the basic properties of stars and the Milky Way before working out towards nearby galaxies and the distant Universe. They discuss the structures of galaxies and how galaxies have developed, and relate this to the evolution of the Universe. The book also examines ways of observing galaxies across the whole electromagnetic spectrum, and explores dark matter and its gravitational pull on matter and light. This book is self-contained and includes several homework problems with hints. It is ideal for advanced undergraduate students in astronomy and astrophysics.

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Information

Publisher
Cambridge University Press
Year
2007
ISBN
9780511292323
Edition
2
Topic
Physical Sciences
Subtopic
Astronomy & Astrophysics
12
Introduction
Fig.
1.4.
Luminosity
and
effective
temperature
during
the
main-sequence
and
later
lives
of
stars
with
solar
composition:
the
hatched
region
shows
where
the
star
burns
hydrogen
in
its
core.
Only
the
main-sequence
track
is
shown
for
the
0.8
M
star
–
Geneva
Observatory
tracks.
A
better
approximation
is
log(
τ
MS
/
10
Gyr)
=
1
.
015
−
3
.
49
log(
M
/
M
)
+
0
.
83[log(
M
/
M
)]
2
.
(1.9)
The
most
massive
stars
will
burn
out
long
before
the
Sun.
None
of
the
O
stars
shining
today
were
born
when
dinosaurs
walked
the
Earth
100
million
years
ago,
and
all
those
we
now
observe
will
burn
out
before
the
Sun
has
made
another
circuit
of
the
Milky
Way.
But
we
have
not
included
any
stars
with
M
<
0
.
8
M
in
Figure
1.4,
because
none
has
left
the
main
sequence
since
the
Big
Bang,
∼
14
Gyr

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