Astronomy   View all facts   Glossary   Help | 
| abstraction > hypothesis > theory > astronomy theory > galaxy theory > Bahcall-Soneira Model | 
| Bahcall-Soneira Model comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| galaxy theory | astronomy theory | |
| Bahcall-Soneira Model | galaxy theory | A model for the Galaxy first published by John Bahcall and Raymond Soneira in 1980. In its original form, it sought to reproduce star counts in different parts of the sky by employing only a (thin) disk and a halo; it had no thick disk. | 
Next galaxy theory: biased galaxy formation     Up: galaxy theory    Previous galaxy theory: twin-exhaust model