steady state theory

Từ điển WordNet v3.1 - WordNet Dictionary

noun

(cosmology) the theory that the universe maintains a constant average density with matter created to fill the void left by galaxies that are receding from each other
- the steady state theory has been abandoned in favor of the big bang theory
• Syn:
continuous creation theory
• Topics:
cosmology, cosmogony, cosmogeny
• Hypernyms:
scientific theory