Current Topics in Astrofundamental Physics

I. The Early universe.- The Covariant and Gauge Invariant Approach to Perturbations in Cosmology.- Lectures on Inflationary Cosmology.- Back Reaction of Strings in Self Consistent String Cosmology.- Topological Defects in Cosmology.- Cosmological Inflation, Microwave Background Anisotropies and Large Scale Structure of the Universe.- Cosmological Perturbations of Quantum - Mechanical Origin and Anisotropy of the Microwave Background Radiation.- II. Cosmic Microwave Background Radiation.- The Big Bang and the Infrared Sky as seen by COBE.- Spectrum of the Cosmic Microwave Background: Results and Prospects.- Cosmic Microwave Background Anisotropy Spectrum from Primordial Density Perturbations.- Cosmic Microwave Background Anisotropy.- Large Angular Scales/COBE DMR Results.- COBE DMR: Testing the Initial Conditions.- Detection of Primary and Secondary Anisotropies in the CMB.- Small-scale Fluctuations in the Microwave Sky: CBR Fluctuations on Sub-arcminute Scales and Sources of Foreground Noise.- III. Large Scale Structure.- Dark Matter and the Value of ?.- Dark Matter and Sakharov Oscillations.- Two Lecturn on the Observational Determinationof the Hubble Expansion Rate.- Photographs of the Institute.- Author Index.