Definition

1. Noun:
   • The scientific study of the origin, evolution, and large-scale structure of the universe: This is the primary meaning in astrophysics and physical sciences. It involves theories like the Big Bang, cosmic inflation, and the formation of galaxies.
   • A particular theory or model concerning the origin and nature of the universe: In this sense, it refers to a specific cosmological framework or worldview.
   • The philosophical or metaphysical study of the fundamental nature of the universe: This broader meaning encompasses philosophical inquiry into the universe's ultimate principles and order.

Usage Examples

• Scientific Context:
  • Modern cosmology relies heavily on observations from telescopes like Hubble and James Webb.
  • The professor's lecture on cosmology explained the evidence for dark energy.
• Theoretical or Philosophical Context:
  • The ancient Greek cosmology placed the Earth at the center of the universe.
  • Different cultures have developed their own cosmologies to explain existence.

Advanced Usage

• "Physical cosmology": The branch of astronomy and physics concerned with the study of the physical universe's origin and evolution.
  • His research is focused on physical cosmology, specifically cosmic microwave background radiation.
• "Religious cosmology": A body of beliefs based on mythological, religious, and esoteric literature and traditions regarding the universe's creation and structure.
  • The book compares Buddhist cosmology with modern scientific understanding.

Variants and Related Words

• Cosmological (adj): Relating to cosmology.
  • The cosmological constant is a key concept in some models of the universe.
• Cosmologist (n): A scientist or philosopher who studies cosmology.
  • She is a renowned cosmologist who has written several popular books.
• Cosmogony (n): A specific theory or model about the origin of the universe. Often used more narrowly than cosmology.
  • The myth presents a detailed cosmogony.

Synonyms

• Astrophysics (in its specific, large-scale context): The branch of astronomy concerned with the physical nature of stars and other celestial bodies.
• Cosmogeny: Another term for cosmogony; the study of the origin of the universe.

Related Phrases and Idioms

• "Standard model of cosmology": The prevailing theoretical framework describing the universe's evolution from an early hot, dense state.
  • The Lambda-CDM model is the current standard model of cosmology.
• "Observational cosmology": The practice of using observational data from telescopes and other instruments to test cosmological theories.
  • Advances in observational cosmology have refined estimates of the universe's age.

Noun

1. the branch of astrophysics that studies the origin and evolution and structure of the universe
2. the metaphysical study of the origin and nature of the universe