| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,759,737,571 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
expanding universe |
Also found in: Legal, Financial, Wikipedia, Hutchinson | 0.03 sec. |
|
expanding universe: see universe universe, totality of matter and energy in existence. The study of the origin of the universe, or cosmos, is known as cosmogony, and that of its structure and evolution, cosmology . The age of the universe depends on which theory of cosmology one accepts. ..... Click the link for more information. . expanding universeCurrent understanding of the state of the universe. It is based on the finding that all galaxies are moving away from each other. Application of general relativity to cosmology, along with the detection of redshifted light coming from galaxies outside the Milky Way Galaxy, led to the realization in the 1920s that all galaxies are receding (see Edwin Hubble). It is unknown whether the universe will expand indefinitely (open universe) or eventually collapse (closed universe) into an extremely dense, congested state, as it began, according to the big-bang model. See also Friedmann universe. expanding universe [ik¦spand·iŋ ′yü·nə·vərs] (astrophysics) Explanation of the red shift observed in spectral lines from distant galaxies as due to a mutual recession of galaxies away from each other. (relativity) A model of the universe describing the process defined in the astronomy definition, in which the universe is nonstatic, homogeneous, and isotropic; based on Einstein's field equations with a nonvanishing cosmical constant. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | ||
|---|---|---|---|
| These acquisitions will enhance our ability to serve our existing customer base in central Indiana and offer our services to an expanding universe of new customers throughout the central and southern parts of the state," says Danny Rifkin, OmniSource's president and chief operating officer. Written in a day-by-day (or night-by-night) journal entry format, Oozing the Moon describes the rapturous wonder of simply contemplating natural life, the galaxy, and the expanding universe. The author then outlines the difficult notion of dark energy, a phenomenon that could explain the expanding universe and determine its fate. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|