Formation of Stars and Star Clusters in Colliding Galaxies

Formation of Stars and Star Clusters in Colliding Galaxies PDF Author: Pierre-Emmanuel Aime Marcel Belles
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Formation of Stars and Star Clusters in Colliding Galaxies

Formation of Stars and Star Clusters in Colliding Galaxies PDF Author: Pierre-Emmanuel Aime Marcel Belles
Publisher:
ISBN:
Category :
Languages : en
Pages :

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The Formation and Evolution of Star Clusters

The Formation and Evolution of Star Clusters PDF Author: Kenneth Janes
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 640

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Cosmic Collisions

Cosmic Collisions PDF Author: Lars Lindberg Christensen
Publisher: Springer Science & Business Media
ISBN: 0387938559
Category : Science
Languages : en
Pages : 143

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Book Description
Like no other telescope ever invented, the NASA/ESA Hubble Space Telescope has given us magnificent high resolution views of the gigantic cosmic collisions between galaxies. Hubble's images are snapshots in time and catch the colliding galaxies in different stages of collision. Thanks to a new and amazing set of 60 Hubble images, for the first time these different stages can be put together to form a still-frame movielike montage showing the incredible processes taking place as galaxies collide and merge. The significance of these cosmic encounters reaches far beyond aesthetics. Galaxy mergers may, in fact, be some of the most important processes that shape our universe. Colliding galaxies very likely, hold some of the most important clues to our cosmic past and to our destiny. It now seems clear that the Milky Way is continuously undergoing merging events, some small scale, others on a gigantic scale. And the importance of this process in the lives of galaxies is much greater than what was previously thought.

Galaxies: Interactions and Induced Star Formation

Galaxies: Interactions and Induced Star Formation PDF Author: Robert C. Kennicutt Jr.
Publisher: Springer Science & Business Media
ISBN: 3540316302
Category : Science
Languages : en
Pages : 417

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Book Description
This volume contains the written versions of the lectures given at the 26th course of the renowned Saas-Fee series. The book represents a comprehensive and up-to-date review of the field of galaxy interaction. Nowadays, galaxies are no longer seen as immutable objects: they evolve, interact, merge, blaze, and reshape. Dynamic forces can induce powerful stellar activity able to transform the matter composition and morphology of galaxies. The lectures included in this book aim at a better understanding of these remarkable and fascinating phenomena. Though the book is intended for graduate students and young post-docs in astrophysics, it contains more advanced and original material, as well as historical perspectives, which will be of great interest to experts and astronomy teachers also.

Star Formation, Galaxies and the Interstellar Medium

Star Formation, Galaxies and the Interstellar Medium PDF Author: Jose Franco
Publisher: Cambridge University Press
ISBN: 9780521444125
Category : Science
Languages : en
Pages : 418

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Book Description
The enormously powerful phenomena of starbursts are examined in this book. These spectacular star-forming events are seen on large scales in some galaxies, often triggered by galactic interactions. An intriguing implication of starburst research is that active galactic nuclei (AGN) may not be powered by accreting black holes. Instead theories are presented where compact powerhouses of dust-enshrouded star formation lie at the core of AGN, with supernovae exploding roughly once per year within massive nuclear concentrations of gas. This book collects articles from a timely international conference in Elba, Italy, in 1992; these comprise a thorough review of the most important developments in galactic-scale star formation since the starburst revolution of the late 1980s. This text will introduce graduate students to this exciting area and keep experts apace with rapid developments in it.

Galaxy Collisions

Galaxy Collisions PDF Author: Curtis Struck
Publisher: Springer Science & Business Media
ISBN: 0387853715
Category : Science
Languages : en
Pages : 292

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Book Description
The spectacular images of galaxy collisions capture the imagination. This book will show what is out there in the universe, what it’s like in other galaxies, what they might look like, and how cosmic processes might affect life in other solar systems. It will explain crucial stages in the development of physical structure in the universe, and the effect of galaxy scale processes. Professor Struck will explore all the issues surrounding galaxy collisions. He will begin with a brief broad review of the background on galaxies, the history of their discovery, and how this has been driven by steadily improving technology. Chapters 2 gives details of the early stages of different types of galaxy collision - Rings of Fire, Tidal Swings and Retrograde and Sideways Reels - while Chapter 3 describes collisions between galaxies of very different masses: minor merger or dwarf destruction. Chapter 4 covers ultra-luminous infrared galaxies and major mergers and Chapter 5 briefly examines the techniques used for computer simulation results and how increasing computer capacity has affected the development of this field. The following chapter looks at understanding the physical processes of triggered star formation and nuclear activity. Chapters 7-9 look at the broader view of cosmological structure growth which determines the environment and conditions in which galaxy collisions occur. In the densest environments, this process repeats itself on the larger scale of galaxy clusters. The concluding chapter considers what a galaxy collision looks like from a solar system like ours. Although the galaxy is completely restructured and the night sky view would change greatly over the course of several hundred million years, the direct effects on our planet would be few and infrequent, with only a small probability of being truly catastrophic. These issues will be explored along with the ideas that galaxies must reach a certain evolutionary "maturity" before they can even form solar systems, and that there are habitable zones within galaxies. Thus, galaxy scale processes, like collisions, can determine the fate of life on Earth-like planets.

Star Formation in Galaxies

Star Formation in Galaxies PDF Author:
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 788

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Colliding Galaxies: Global Star Formation and the Creation of Hot Galactic Halos

Colliding Galaxies: Global Star Formation and the Creation of Hot Galactic Halos PDF Author: Nathan Charles Hearn
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Galaxy Formation and Mergers with Stars and Massive Black Holes

Galaxy Formation and Mergers with Stars and Massive Black Holes PDF Author: Chi-hun Kim
Publisher: Stanford University
ISBN:
Category :
Languages : en
Pages : 189

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Book Description
While mounting observational evidence suggests the coevolution of galaxies and their embedded massive black holes (MBHs), a comprehensive astrophysical understanding which incorporates both galaxies and MBHs has been missing. To tackle the nonlinear processes of galaxy formation, we develop a state-of-the-art numerical framework which self-consistently models the interplay between galactic components: dark matter, gas, stars, and MBHs. Utilizing this physically motivated tool, we present an investigation of a massive star-forming galaxy hosting a slowly growing MBH in a cosmological LCDM simulation. The MBH feedback heats the surrounding gas and locally suppresses star formation in the galactic inner core. In simulations of merging galaxies, the high-resolution adaptive mesh allows us to observe widespread starbursts via shock-induced star formation, and the interplay between the galaxies and their embedding medium. Fast growing MBHs in merging galaxies drive more frequent and powerful jets creating sizable bubbles at the galactic centers. We conclude that the interaction between the interstellar gas, stars and MBHs is critical in understanding the star formation history, black hole accretion history, and cosmological evolution of galaxies. Expanding upon our extensive experience in galactic simulations, we are well poised to apply this tool to other challenging, yet highly rewarding tasks in contemporary astrophysics, such as high-redshift quasar formation.

The Road to Galaxy Formation

The Road to Galaxy Formation PDF Author: William C. Keel
Publisher: Springer Science & Business Media
ISBN: 9781852335748
Category : Science
Languages : en
Pages : 266

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Book Description
Written by one of the leading authorities in the field, this is one of the first book's to describe one of today's most important problems in cosmology - the formation of galaxies. The book tackles this great puzzle by discusses the beginnings of the process from cosmological observations and calculations, considers the broad features of galaxies that we need to explain and what we know of their later history. The author compares the competing theories for galaxy formation and considers the progress expected from new generations of powerful telescopes both on earth and in space. An intriguing text on one of today's greatest and most profound puzzles.