astro-ph/0209504

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THE PICTURE OF OUR UNIVERSE: A VIEW FROM MODERN COSMOLOGY

David D. Reid, Daniel W. Kittell, Eric E. Arsznov, and Gregory B. Thompson


Department of Physics and Astronomy, Eastern Michigan University, Ypsilanti, MI 48197


Abstract. In this paper we give a pedagogical review of the recent observational results in cosmology from the study of type Ia supernovae and anisotropies in the cosmic microwave background. By providing consistent constraints on the cosmological parameters, these results paint a concrete picture of our present-day universe. We present this new picture and show how it can be used to answer some of the basic questions that cosmologists have been asking for several decades. This paper is most appropriate for students of general relativity and/or relativistic cosmology.


Table of Contents

INTRODUCTION

REVIEW OF THE STANDARD PRESENTATION OF COSMOLOGY

THE COSMOLOGICAL CONSTANT

DETERMINING COSMOLOGICAL PARAMETERS FROM TYPE IA SUPERNOVAE
Type Ia Supernovae
Measuring the Hubble Constant
Measuring Omegam, OmegaLambda and q0

DETERMINING COSMOLOGICAL PARAMETERS FROM ANISOTROPIES IN THE CMB
Anisotropies in the CMB
Acoustic Peaks and the Cosmological Parameters

THE PICTURE OF OUR UNIVERSE

CONCLUSIONS

REFERENCES

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