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Books > Science & Mathematics > Physics > Applied physics & special topics > Astrophysics
Holographic dualities are at the forefront of contemporary physics
research, peering into the fundamental nature of our universe and
providing best attempt answers to humankind's bold questions about
basic physical phenomena. Yet, the concepts, ideas and mathematical
rigors associated with these dualities have long been reserved for
the specific field researchers and experts. This book shatters this
long held paradigm by bringing several aspects of holography
research into the class room, starting at the college physics level
and moving up from there.
Galileo's groundbreaking dialogues are a summation of three decades
of scientific work he had undertaken in the fledgling field of
physics. This edition includes the diagrams crucial for
understanding the text. Writing these dialogues in 1638, the
elderly Galileo had a life of achievements behind him. Despite
attempts at suppression of his writings by the Roman Inquisition,
his ideas were successfully communicated across Europe. The motion
of objects and resistance to such motion, the concept of velocity,
and the laws of gravity are merely a few of the topics covered in
these detailed dialogues. At the outset, we are introduced to the
three conversation partners: Salviati, Sagredo and Simplicio. These
three Venetians embark on a scientific discussion, hoping to
explain the curiosities of things such as speed and movement. Over
the course of four days, their meetings grow in complexity and
scope as they strive to explain physical phenomena.
What does it take to consider a planet potentially habitable? If a
planet is suitable for life, could life be present? Is life on
other planets inevitable? Searching for Habitable Worlds answers
these questions and provides both the general public and astronomy
enthusiasts with a richly illustrated discussion of the most
current knowledge regarding the search for extrasolar planets.
Nearly everyone wants to know if we are alone in the universe. This
book might not have the answers, but shows where we should look.
This book is a fun and accessible book for everyone from middle
schoolers to amateur astronomers of all ages. The use of
non-technical language and abundant illustrations make this a quick
read to inform everyone about the latest movement in the search for
other planets that we might be able to inhabit. After a brief
discussion on why humans are hard-wired to be curious, and to
explore the unknown, the book describes what extrasolar planets
are, how to detect them, and how to pin down potential targets. In
addition, a data-driven list of the best candidates for
habitability is profiled and the next generation of
exoplanet-hunting scientific instruments and probes are identified.
The study of dark matter, in both astrophysics and particle
physics, has emerged as one of the most active and exciting topics
of research in recent years. This book reviews the history behind
the discovery of missing mass (or unseen mass) in the Universe, and
ties this into the proposed extensions to the Standard Model of
Particle Physics (such as Supersymmetry), which were being proposed
within the same time frame. This book is written as an introduction
to these problems at the forefront of astrophysics and particle
physics, with the goal of conveying the physics of dark matter to
beginning undergraduate majors in scientific fields. The book goes
onto describe existing and upcoming experiments and techniques,
which will be used to detect dark matter either directly on
indirectly.
The growing number of scientific and technological applications of
plasma physics in the field of Aerospace Engineering requires that
graduate students and professionals understand their principles.
This introductory book is the expanded version of class notes of
lectures I taught for several years to students of Aerospace
Engineering and Physics. It is intended as a reading guide,
addressed to students and non-specialists to tackle later with more
advanced texts. To make the subject more accessible the book does
not follow the usual organization of standard textbooks in this
field and is divided in two parts. The first introduces the basic
kinetic theory (molecular collisions, mean free path, etc.) of
neutral gases in equilibrium in connection to the undergraduate
physics courses. The basic properties of ionized gases and plasmas
(Debye length, plasma frequencies, etc.) are addressed in relation
to their equilibrium states and the collisional processes at the
microscopic level. The physical description of short and long-range
(Coulomb) collisions and the more relevant collisions (elementary
processes) between electrons' ions and neutral atoms or molecules
are discussed. The second part introduces the physical description
of plasmas as a statistical system of interacting particles
introducing advanced concepts of kinetic theory, (non-equilibrium
distribution functions, Boltzmann collision operator, etc). The
fluid transport equations for plasmas of electron ions and neutral
atoms and the hydrodynamic models of interest in space science and
plasma technology are derived. The plasma production in the
laboratory in the context of the physics of electric breakdown is
also discussed. Finally, among the myriad of aerospace applications
of plasma physics, the low pressure microwave electron multipactor
breakdown and plasma thrusters for space propulsion are presented
in two separate chapters.
The development of man's understanding of planetary motions is the
crown jewel of Newtonian mechanics. This book offers a concise but
self-contained handbook-length treatment of this historically
important topic for students at about the third-year-level of an
undergraduate physics curriculum. After opening with a review of
Kepler's three laws of planetary motion, it proceeds to analyze the
general dynamics of 'central force' orbits in spherical
coordinates, how elliptical orbits satisfy Newton's gravitational
law, and how the geometry of ellipses relates to physical
quantities, such as energy and momentum. Exercises are provided,
and derivations are set up in such a way that readers can gain
analytic practice by filling in the missing steps. A brief
bibliography lists sources for readers who wish to pursue further
study on their own.
Every rock has a story tell, and none more so than those which have
fallen from the sky: meteorites. Originating in the Asteroid Belt
between Mars and Jupiter, these rocky fragments offer clues not
just to the earliest origins of the Solar System but also to
Earth's very survival into the future. Sky at Night presenter, Dr
Tim Gregory takes us on a journey through the very earliest days of
our Solar System to the spectacular meteorite falls that produced
'fiery rain' in 1792, to the pre-solar grains (literally stardust)
that were blown in from other solar systems and are the oldest
solid objects ever discovered on earth. Meteorites reveal a story
much bigger than ourselves or our planet. As Tim says, 'it is an
epic beyond compare'.
Many physical properties of our universe, such as the relative
strength of the fundamental interactions, the value of the
cosmological constant, etc., appear to be fine-tuned for existence
of human life. One possible explanation of this fine tuning assumes
existence of a multiverse, which consists of a very large number of
individual universes having different physical properties.
Intelligent observers populate only a small subset of these
universes, which are fine-tuned for life. In this book we will
review several interesting metamaterial systems, which capture many
features of important cosmological models and offer insights into
the physics of many other non-trivial spacetime geometries, such as
microscopic black holes, closed time-like curves (CTCs) and the
Alcubierre warp drive.
At the XXIX IAU General Assembly held in Honolulu from 3-14 August
2015, the meetings known as Special Sessions and Joint Discussions
were replaced by new 'Focus Meetings'. Astronomy in Focus XXIXA
presents the most relevant contributions from the Focus Meetings
together with summaries of all the accepted papers and posters. It
covers the meetings on the following areas: dynamical problems in
extrasolar planet science; astronomical heritage; scholarly
publishing in astronomy; statistics and exoplanets; the exploration
of small worlds; ground and space astrophysics and heliophysics;
laboratory astrophysics; brightness variations of the Sun and
Sun-like stars; astronomy for development; and mitigating the
threats of light pollution and radio frequency interference. The
publications Astronomy in Focus XXIXA (together with its companion,
XXIXB), the proceedings of the six main Scientific Symposia and
Reports on Astronomy: Commission Legacy Reports, fully cover the
XXIX IAU General Assembly.
This book is based on a set of 18 class-tested lectures delivered
to fourth-year physics undergraduates at Grifi th University in
Brisbane, and the book presents new discoveries by the Nobel-prize
winning LIGO collaboration. The author begins with a review of
special relativity and tensors and then develops the basic elements
of general relativity (a beautiful theory that unifies special
relativity and gravitation via geometry) with applications to the
gravitational deflection of light, global positioning systems,
black holes, gravitational waves, and cosmology. The book provides
readers with a solid understanding of the underlying physical
concepts; an ability to appreciate and in many cases derive
important applications of the theory; and a solid grounding for
those wishing to pursue their studies further. General Relativity:
An Introduction to Black Holes, Gravitational Waves, and Cosmology
also connects general relativity with broader topics. There is no
doubt that general relativity is an active and exciting field of
physics, and this book successfully transmits that excitement to
readers.
Owing to the increased accuracy requirements in fields such as
astrometry and geodesy the general theory of relativity must be
taken into account for any mission requiring highly accurate orbit
information and for practically all observation and measurement
techniques. This book highlights the confluence of Applied
Mathematics, Physics and Space Science as seen from Einstein's
general theory of relativity and aims to bridge the gap between
theoretical and applied domains. The book investigates three
distinct areas of general relativity: Exact solutions of the
Einstein field equations of gravitation. Dynamics of near-Earth
objects and solar system bodies. Relativistic orbitography. This
book is an updated and expanded version of the author's PhD thesis
which was awarded the International Astronomical Union PhD prize in
Division A: Fundamental Astronomy. Included is a new introduction
aimed at graduate students of General Relativity and extended
discussions and results on topics in post-Newtonian dynamics and
general relativistic spacecraft propagation.
This book presents the cold side of the Universe illustrated by the
rest-frame, far-infrared emission with Atacama Large
Millimeter/submillimeter Array (ALMA). The author constructed the
largest-ever ALMA sample and dataset, which enables them to
identify very faint, rest-frame, far-infrared dust continuums as
well as the carbon fine-structure line emission from distant
galaxies that have been missed in previous surveys. The
observational findings described in this book reveal for the first
time where and how much of the star formation, traced by the
rest-frame far-infrared emission, is ongoing, from inter-stellar
and circum-galactic media to cosmic structures. Moreover, since
some of the findings are unexpected and as such challenge the
current galaxy formation models, the book provides exciting
questions that should be addressed in the next decades.
Stacy Palen knows that introductory astronomy may be the only
science course some students take in their college careers, so it's
their best chance to develop scientific literacy. Education
research shows that the best way to attain scientific literacy is
through active learning. Understanding Our Universe, Fourth Edition
makes it easier for instructors to help students understand the
concepts and learn to value science by providing activities that
can be used before, during and after class. By expanding her
pedagogy to include What If scenarios and What an Astronomer Sees
figure captions, Stacy helps students build scientific literacy and
to think critically about science in the media.
Cosmology is the study of the origin, size, and evolution of the
entire universe. Every culture has developed a cosmology, whether
it be based on religious, philosophical, or scientific principles.
In this book, the evolution of the scientific understanding of the
Universe in Western tradition is traced from the early Greek
philosophers to the most modern 21st century view. After a brief
introduction to the concept of the scientific method, the first
part of the book describes the way in which detailed observations
of the Universe, first with the naked eye and later with
increasingly complex modern instruments, ultimately led to the
development of the "Big Bang" theory. The second part of the book
traces the evolution of the Big Bang including the very recent
observation that the expansion of the Universe is itself
accelerating with time.
This textbook is a unique and ambitious primer of nuclear physics,
which introduces recent theoretical and experimental progresses
starting from basics in fundamental quantum mechanics. The
highlight is to offer an overview of nuclear structure phenomena
relevant to recent key findings such as unstable halo nuclei,
superheavy elements, neutron stars, nucleosynthesis, the standard
model, lattice quantum chromodynamics (LQCD), and chiral effective
theory. An additional attraction is that general properties of
nuclei are comprehensively explained from both the theoretical and
experimental viewpoints. The book begins with the conceptual and
mathematical basics of quantum mechanics, and goes into the main
point of nuclear physics - nuclear structure, radioactive ion beam
physics, and nuclear reactions. The last chapters devote
interdisciplinary topics in association with astrophysics and
particle physics. A number of illustrations and exercises with
complete solutions are given. Each chapter is comprehensively
written starting from fundamentals to gradually reach modern
aspects of nuclear physics with the objective to provide an
effective description of the cutting edge in the field.
Visual Astronomy introduces the basics of observational astronomy,
a fundamentally limitless opportunity to learn about the universe
with your unaided eyes or with tools such as binoculars,
telescopes, or cameras.
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