Titlebook: Galaxy Formation; Malcolm S. Longair Textbook 19981st edition The Editor(s) (if applicable) and The Author(s), under exclusive license to

神圣將軍

pessimism

專心

Epithelium

institute

Introduction, History and Outlinehis chapter summarises qualitatively many of the topics dealt with in this book and we will return to all of them in the succeeding chapters. If you do not need this gentle introduction, or misguidedly think that history is boring, you may pass straightaway to Chap. 2..

避開

The Large Scale Structure of the Universeobservation. In this chapter, we concentrate upon the large-scale distribution of matter and radiation in the Universe and deal with galaxies and clusters of galaxies in Chaps. 3 and 4 respectively. The observations described in this chapter provide much of the essential underpinning of modern cosmo

壕溝

錯

Clusters of Galaxiestures on scales much greater than clusters, the vast ‘walls’ which surround the large voids seen in Fig. 2.5. Very few galaxies can be considered to be truly isolated. Rich clusters of galaxies are of particular interest because they are the largest gravitationally bound systems we know of in the Un

阻擋

fringe