Gravity

In May 1976, when one of us was temporarily associated with Stras- bourg Observatory for lecturing on distance determination methods (Heck 1978), Pierre Lacroute - then in his last year as Director there - mod- estly requested comments on a project he had been cherishing for quite a few years, and which he had been presenting to visitors and colleagues: an astrometric satellite.

The Proceedings of the tenth Advanced Study Institute (ASI) on Tech- niques and Concepts of High Energy Physics are dedicated to Jane and Bob Wilson.

The modern Persian word for cosmology is "e;Keyhan-shenakht"e;, which is also the title of a Persian book written more than 800 years ago.

The workshop "e;From Dust to Terrestrial Planets"e; was initiated by a working group of planetary scientists invited to ISSI by Johannes Geiss in November 1997.

For more than 25 years the Standard Model of particle physics has withstood the confrontation with experimental results of increasing precision, but this does not imply that the Standard Model can answer all questions about the ultimate constituents of nature.

Topological defects formed at symmetry-breaking phase transitions play an important role in many different fields of physics.

A complete account of the fundamental techniques of general relativity and their application to cosmology.

Modem dynamics is increasingly participating in the solution of problems raised by as- tronomical observations.

The "e;Non-Sleeping Universe"e; was a conference conceived to commemorate the opening of the new building of the Centro de Astroffsica da U niversidade do Porto (CAUP).

It is with great joy that we present a collection of essays written in honour of Jayant Vishnu Narlikar, who completed 60 years of age on July 19, 1998, by his friends and colleagues, including several of his for- mer students.

It has often been noted that a kind of double dynamics char- terizes the development of science.

This book represents the proceedings from the NATO sponsored Advanced Research Workshop entitled "e;Observational Tests of Inflation"e; held at the University of Durham, England on the 10th-14th December, 1990.

The International Conference "e;Primordial Nucleosynthesis and Evolution of Early Universe"e; was held in the presence of Prof.

Clusters and superclusters of galaxies are the largest objects in the Universe.

In these last years Black hole Physics has developed rapidly both from theoretical and observational aspects: especially as regards quantum aspects many things must be clarified as for instance the processes occuring near mini black holes with spontaneous creation of particles that eventually lead to the evaporation of black hole.

In July 1992, over 300 astronomers attended the Third Tetons Summer School on the subject of `The Environment and Evolution of Galaxies'.

Edgard Gunzig and Pasquale Nardone RGGR Universite Libre de Bruxelles CP231 1050 Bruxelles Belgium The NATO Advanced Research Workshop on "e;The Origin of Structure in the Universe"e; was organized to bring together workers in various aspects of relativistic cosmology with the aim of assessing the present status of our knowledge on the formation and evolution of structure.

In recent years there has been a steadily increasing cross-fertilization between cosmology and particle physics, on both the theoretical and experimental levels.

The NATO Advanced Study Institute "e;Cosmological Aspects of X-Ray Clus- ters of Galaxies"e; took place in Vel en , Westphalia, Germany, from June 6 to June 18, 1993.

Outstanding progress in near-infrared detection technology and in real-time image processing has led astronomers to start undertaking all-sky surveys in the 1--2 mum range (project DENIS in Europe and 2MASS in the U.

ROSAT Observations G.

This special issue of the international journal of cosmic physics, Astrophysics and Space Science, contains invited contributions delivered at the Second IEEE International Workshop on Plasma Astrophysics and Cosmology, held from 10 to 12 May 1993 in Princeton, New Jersey.

The concept of Stellar Populations has played a fundamental role in astronomy in the last few decades.

An up-to-date presentation of the progress and current problems in the early universe, cosmic microwave background radiation, large scale structure formation, and the interplay between them.

337 F(e) = (z) where the angle between the directions III and 112 is equal to 8.

Astrometry from space was performed for the first time and with great success by the ESA Hipparcos satellite (1989-93).

In this XVII Course of the International School of Cosmology and Gravitation devoted to "e;ADVANCES IN THE INTERPLAY BETWEEN QUANTUM AND GRAVITY PHYSICS"e; we have considered different aspects of the influence of gravity on quantum systems.

This volume contains the proceedings of the meeting entitled, "e;The IGM/Galaxy Connection: The Distribution of Baryons at z = 0.

The NATO Advanced Study Institute 2000 was held in Cascais, a small town located in a renowned beach resort area, near Lisbon.

Non-accelerator particle physicists, especially those studying neutrino oscillation experiments, will read with profit the in-depth discussions of new results and their interpretations.

A wide range of topics are covered, ranging from supernovae to active galactic nuclei, cosmic gamma rays to neutrinos and dark matter.

Stellar astrophysics still provides the basic framework for deciphering the imprints left over by the evolving universe on all scales.

This NATO Advanced Study Institute provided an up dated understanding, from a fundamental and deep point of view, of the progress and current problems in the early universe, cosmic microwave background radiation, large scale structure, dark matter problem, and the interplay between them.

A fundamental, profound review of the key issues relating to the early universe and the physical processes that occurred in it.

The significance of the present IAU symposium, "e;The Large Scale Structure of the Universe"e;, fortunately requires no elaboration by the editors.

Galaxy groups and clusters provide excellent laboratories for studying galaxy properties in different environments and at different look-back times.

When my colleague Dr.

Since the last International Astronomical Union Symposium that dealt with matters cosmological, there have been dramatic advances, both on the observational and theoretical fronts.

The tremendous progress in astronomical observations over the past sixty years has revealed a vast structured universe whose fundamental parti- cles are galaxies, and clusters thereof.

The Milky Way Galaxy offers a unique opportunity to study the structure and contents of a major stellar system in three dimensions, at high spatial and spectral resolution, and to very large galactocentric distances.

List of Participants **.

The Symposium was held at the Great Wall Sheraton Hotel in Beijing, China in the period August 25-30, 1986.