Category: Science - Physics
The classification used in the present investigation is essentially the detailed formulation of a preliminary classification published in a previous paper.[6] It was developed in 1923, from a study of photographs of several thousand nebulae, including practically all the brigh...
The classification used in the present investigation is essentially the detailed formulation of a preliminary classification published in a previous paper.[6] It was developed i...
2. PART II. STATISTICAL STUDY OF EXTRA-GALACTIC NEBULAEThe most homogeneous list of nebulae for statistical study is that compiled by Hardcastle[13] containing all nebulae found on the Franklin-Adams charts. These are uniform exposu...