Extra-galactic nebulae
by Edwin Hubble
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About This Book
The book "Extra-Galactic Nebulae" by Edwin Hubble provides a detailed statistical investigation and classification of 400 extra-galactic nebulae. It explores the forms, luminosity relations, distances, and absolute dimensions of these nebulae, presenting a comprehensive analysis of their distribution and density in space. The book delves into the classification based on structure, discussing regular and irregular types within the extra-galactic category. It also examines the relationship between luminosities and diameters, the evolution of nebulae, and the properties of stars within nebulae. O...
Chapters (67)(click to expand)
- EXTRA-GALACTIC NEBULAE
- ABSTRACT
- PART I. CLASSIFICATION OF NEBULAE
- GENERAL CLASSIFICATION
- REGULAR NEBULAE
- IRREGULAR NEBULAE
- PART II. STATISTICAL STUDY OF EXTRA-GALACTIC NEBULAE
- THE DATA
- RELATIVE LUMINOSITIES OF THE VARIOUS TYPES
- RELATION BETWEEN LUMINOSITIES AND DIAMETERS
- REDUCTION OF NEBULAE TO A STANDARD TYPE
- EFFECTS OF ORIENTATION
- SIGNIFICANCE OF THE LUMINOSITY RELATION
- RELATION BETWEEN NUCLEAR LUMINOSITIES AND DIAMETERS
- ABSOLUTE MAGNITUDES OF EXTRA-GALACTIC NEBULAE
- LUMINOSITY OF STARS INVOLVED IN NEBULAE
- DIMENSIONS OF EXTRA-GALACTIC NEBULAE
- MASSES OF EXTRA-GALACTIC NEBULAE
- NUMBERS OF NEBULAE TO DIFFERENT LIMITING MAGNITUDES
- DENSITY OF SPACE
- THE FINITE UNIVERSE OF GENERAL RELATIVITY
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