The Formation Of The Milky Way

This review examines all the key physical processes involved in the formation and evolution of the Milky Way, based on an international meeting held in Granada (Spain).

This review of the most up-to-date observational and theoretical information concerning the chemical evolution of the Milky Way compares the abundances derived from field stars and clusters, giving information on the abundances and dynamics of gas.

A coherent introduction for researchers in astronomy, particle physics, and cosmology on the formation and evolution of galaxies.

Galaxies, along with their underlying dark matter halos, constitute the building blocks of structure in the Universe. Of all fundamental forces, gravity is the dominant one that drives the evolution of structures from small density seeds at early times to the galaxies we see today. The interactions among myriads of stars, or dark matter particles, in a gravitating structure produce a system with fascinating connotations to thermodynamics, with some analogies and some fundamental differences. Ignacio Ferreras presents a concise introduction to extragalactic astrophysics, with emphasis on stellar dynamics, and the growth of density fluctuations in an expanding Universe. Additional chapters are devoted to smaller systems (stellar clusters) and larger ones (galaxy clusters). Fundamentals of Galaxy Dynamics, Formation and Evolution is written for advanced undergraduates and beginning postgraduate students, providing a useful tool to get up to speed in a starting research career. Some of the derivations for the most important results are presented in detail to enable students appreciate the beauty of maths as a tool to understand the workings of galaxies. Each chapter includes a set of problems to help the student advance with the material.

NAMED A BEST BOOK OF 2022 BY PUBLISHERS WEEKLY NAMED A BEST AUDIOBOOK OF 2022 BY BOOKPAGE Astrophysicist and folklorist Dr. Moiya McTier channels The Milky Way in this approachable and utterly fascinating autobiography of the titular galaxy, detailing what humans have discovered about everything from its formation to its eventual death, and what more there is to learn about this galaxy we call home. After a few billion years of bearing witness to life on Earth, of watching one hundred billion humans go about their day-to-day lives, of feeling unbelievably lonely, and of hearing its own story told by others, The Milky Way would like a chance to speak for itself. All one hundred billion stars and fifty undecillion tons of gas of it. It all began some thirteen billion years ago, when clouds of gas scattered through the universe's primordial plasma just could not keep their metaphorical hands off each other. They succumbed to their gravitational attraction, and the galaxy we know as the Milky Way was born. Since then, the galaxy has watched as dark energy pushed away its first friends, as humans mythologized its name and purpose, and as galactic archaeologists have worked to determine its true age (rude). The Milky Way has absorbed supermassive (an actual technical term) black holes, made enemies of a few galactic neighbors, and mourned the deaths of countless stars. Our home galaxy has even fallen in love. After all this time, the Milky Way finally feels that it's amassed enough experience for the juicy tell-all we've all been waiting for. Its fascinating autobiography recounts the history and future of the universe in accessible but scientific detail, presenting a summary of human astronomical knowledge thus far that is unquestionably out of this world.

One of the most stunning features of the night sky, and Earth's home, the Mily Way is fertile ground for exploring the mysteries of the universe. This book will provide an overview of how astronomers have attempted to uncover our Galaxy’s past, and how current models of its structure may account for some of the most recent observations. Indeed, the distribution of chemical elements in our Galaxy serves as a ‘fossil record’ of its evolutionary history and is a powerful tool for studying the formation and evolution, not only of the Milky Way, but also of other galaxies. In their journey through the history of our Galaxy the authors answer many fascinating and intriguing questions, such as: what can the Milky Way tell us about the Big Bang? What were the very first stars like? Are we able to find any of these first stars, still shining today, but born at a time when no metals had been formed and the gas and the Galaxy consisted of only hydrogen and helium? How did the main biogenic elements form and how are they distributed throughout the Galaxy? Are there regions of our Galaxy where Earth-like planets such as ours might more easily form? The text is addressed to the curious or interested reader and is intended to unveil to a general popular science audience some of the topics about the structure and evolution of our Galaxy which are now the subject of hot debate amongst professional astronomers around the world.

The formation of galaxies is one of the greatest puzzles in astronomy, the solution is shrouded in the depths of space and time, but has profound implications for the universe we observe today. This book discusses the beginnings of the process from cosmological observations and calculations. It examines the different theories of galaxy formation and shows where each theory either succeeds or fails in explaining what we actually observe. In addition, the book looks ahead to what we may expect to uncover about the epoch of galaxy formation from the new and upcoming generations of telescopes and technology.

Our knowledge of the Milky Way has been deeply renewed since a dozen years, following the results of the astrometric satellite HIPPARCOS, and those of large stellar surveys. Many concepts thought to be well established disappeared, to be replaced by Chers going towards a larger complexity : in particular, the discovery of radial migrations of stars bas blurred the simple image that we had of the Galactic disk. There has been large progress in some domains, for instance the physics of the Galactic Center with its super-massive black hole ; other problems remain unsolved, such as the nature of the dark matter existing like a halo around our Galaxy. This book reviews our present knowledge of the Milky Way, in the simplest and most didactic way as possible. Basic notions are always recalled, which make the book accessible to readers without any advanced formation in astronomy. This basic work will be very helpful to understand the results expected from GAIA, the new FSA astrometric satellite launched on December 19, 2013.