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nounthe branch of astrophysics that studies the origin and evolution and structure of the universetype of:
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nounthe metaphysical study of the origin and nature of the universetype of:
Definition that contains cosmology
- string (cosmology) a hypothetical one-dimensional subatomic particle having a concentration of energy and the dynamic properties of a flexible loop
- yang the bright positive masculine principle in Chinese dualistic cosmology
- element one of four substances thought in ancient and medieval cosmology to constitute the physical universe
- yin the dark negative feminine principle in Chinese dualistic cosmology
- inflation (cosmology) a brief exponential expansion of the universe (faster than the speed of light) postulated to have occurred shortly after the big bang
- hoyle an English astrophysicist and advocate of the steady state theory of cosmology; described processes of nucleosynthesis inside stars (1915-2001)
- cbr (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin
- closed universe (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang; the visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter
- continuous creation theory (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
- nebular hypothesis (cosmology) the theory that the solar system evolved from a hot gaseous nebula