Cosmological (adjective)

Relating to the study of the origin, structure, and evolution of the universe.

Origin:

Derived from the greek word 'kosmos' meaning universe, world, and 'logos' meaning science, study.

Examples:

1. Cosmological observations have revealed that the universe is expanding at an accelerating rate.
2. Cosmological models propose that the universe began with a big bang about 13.8 billion years ago.
3. Cosmological simulations help scientists understand the formation and evolution of galaxies and large-scale structures in the universe.
4. Cosmological theories seek to explain the observed properties of the universe, including its large-scale structure, formation of galaxies, and the abundance of light elements.
5. Cosmological observations, such as the cosmic microwave background radiation, provide strong evidence for the big bang theory.