By S. van den Bergh (auth.), Giancarlo Setti (eds.)
This quantity includes a sequence of lectures introduced on the 2d process the overseas university of Astrophysics on the "Ettore Majorana" Centre for clinical tradition in Erice (Sicily) from June 22 to July nine, 1974. The path used to be together deliberate by way of L. Woltjer and myself and used to be absolutely supported through a furnish from the NATO complex research Institute Programme. It was once prepared with the purpose of offering scholars and younger researchers with an up to the moment account of the constitution and evolution of galaxies and was once attended by way of ninety four individuals from 20 international locations. The examine of galaxies is likely one of the most vital parts of up to date astrophysics either for its intrinsic curiosity and since it's a prerequisite to a quantitative figuring out of the constitution of the universe. lately, a qualitatively new lower than status has turn into on hand via either observational andtheore tical development. at the observational part, new ideas utilized on the huge optical telescopes and, particularly, the remarkable effects acquired wi. th the excessive answer radio telescopes have made it attainable to acquire an in depth mapping of the constitution of galaxies except our personal. even as, new theoretical insights and the provision of robust pcs to build versions holds out the desire complete knowing of the structur. es of galaxies will be inside our reach.