Astronomy   View all facts   Glossary   Help | 
| abstraction > hypothesis > theory > astronomy theory > galaxy theory > bottom-up scenario | 
| bottom-up scenario comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| galaxy theory | astronomy theory | |
| bottom-up scenario | galaxy theory | The idea that small structures, perhaps galaxies or even smaller substructures, form first in the universe, followed later by larger structures. | 
Next galaxy theory: density wave theory     Up: galaxy theory    Previous galaxy theory: biased galaxy formation