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nounan astronomer who studies the evolution and space-time relations of the universetype of:
Definition that contains cosmologist
- georges henri lemaitre Belgian cosmologist who proposed the big-bang theory of the origin of the universe (1894-1966)
- lemaitre Belgian cosmologist who proposed the big-bang theory of the origin of the universe (1894-1966)
- edouard lemaitre Belgian cosmologist who proposed the big-bang theory of the origin of the universe (1894-1966)