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Article Contents

ABSTRACT

1.INTRODUCTION

2.DISTANCES AND GENERAL CHARACTERISTICS OF EXTRAGALACTIC NEBULAE
A.Distance Determination with the help of the Period-Brightness Relationship for Cepheids
B.Statistics of the brightest stars of a nebula
C.Distance determination of nebulae using their total apparent magnitude

3.THE REDSHIFT OF EXTRAGALACTIC NEBULA. RELATIONSHIP BETWEEN DISTANCE AND REDSHIFT

4.SPECULATIONS CONCERNING THE REDSHIFT
A.Cosmological theories
B.Direct influence of existing matter in space on the frequency of light

5.COMMENTS ON THE VELOCITY DISPERSION IN THE COMA CLUSTER OF NEBULAE

6.COSMIC RAYS AND REDSHIFTS