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The Universe is defined as everything that physically exists: the entirety of space and time, all forms of matter, energy and momentum, and the physical laws and constants that govern them. However, the term universe may be used in slightly different contextual senses, denoting such concepts as the cosmos, the world or Nature.

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Wikipedia About Universe

Hubble%20ultra%20deep%20field%20high%20rez%20edit1.jpg

The Universe is defined as everything that physically exists: the entirety of space and time, all forms of matter, energy and momentum, and the physical laws and constants that govern them. However, the term universe may be used in slightly different contextual senses, denoting such concepts as the cosmos, the world or Nature.

Current interpretations of astronomical observations indicate that the age of the universe is 13.73 (± 0.12) billion years, and that the diameter of the observable Universe is at least 93 billion light years, or 8.80 E: 26 metres. (It may seem paradoxical that two galaxies can be separated by 93 billion light years in only 13 billion years, since special relativity states that matter cannot exceed the speed of light in a localized region of space-time. However, according to general relativity, space can expand with no intrinsic limit on its rate; thus, two galaxies can separate more quickly than the speed of light if the space between them grows.) It is uncertain whether the size of the universe is finite or infinite.

According to the prevailing scientific model of the Universe, known as the Big Bang, the universe expanded from an extremely hot, dense phase called the Planck epoch, in which all the matter and energy of the observable Universe was concentrated. Since the Planck epoch, the Universe has been expanding to its present form, possibly with a brief period (less than 10-32 seconds) of cosmic inflation. Several independent experimental measurements support this theoretical expansion and, more generally, the Big Bang theory. Recent observations indicate that this expansion is accelerating because of the dark energy, and that most of the matter and energy in the universe is fundamentally different from that observed on Earth and not directly observable. The imprecision of current observations has hindered predictions of the ultimate fate of the Universe.

Experiments and observations suggest that the Universe has been governed by the same physical laws and constants throughout its extent and history. The dominant force at cosmological distances is gravity, and general relativity is currently the most accurate theory of gravitation. The remaining three fundamental forces and all the known particles on which they act are described by the Standard Model. The universe has at least three dimensions of space and one of time, although extremely small additional dimensions cannot be ruled out experimentally. Spacetime appears to be smooth and simply connected, and space has very small mean curvature, so that Euclidean geometry is accurate on the average throughout the Universe. Conversely, on a quantum scale spacetime is highly turbulent.

The word Universe is usually defined as encompassing everything. However, using an alternate definition, some have speculated that this "Universe" is just one of many disconnected "universes", which are collectively denoted as the multiverse. For example, in bubble universe theory, there are an infinite variety of "universes", each with different physical constants. Similarly, in the many-worlds hypothesis, new "universes" are spawned with every quantum measurement. These universes are usually thought to be completely disconnected from our own and therefore impossible to detect experimentally.

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News about Universe

At O'Hare? Tour the Universe

NBC ChicagoThe Adler Planetarium is bringing a little piece of the universe to O'Hare International.http://www.nbcchicago.com/around_town/the_scene/At-OHare--To...

The day the universe froze: New dark energy model includes cosmological phase transition

PhysOrgImagine a time when the entire universe froze. According to a new model for dark energy, that is essentially what happened about 11.5 billion years ago, when the universe was a quarter of the size it is today.http://www.physorg.com/news161026176.html

Steam puts Universe at War on sale for just $4.99 this weekend

Big Download BlogFiled under: Downloads , RTS We've got one more weekend sale to tell you about today. The Steam game download service has put Universe at War: Earth Assault on sale for this weekend only for just $4.99, a 75 percent cut from its normal $19.99 price tag. This 2007 released sci-fi RTS game was developed by Las Vegas-based Petroglyph and published by Sega . It remains one of only three PC games ...http://news.bigdownload.com/2009/05/08/steam-puts-universe-a...

Hubble: a time machine that revolutionized astronomy

AFP via Yahoo! NewsThe Hubble space telescope, the object of NASA's fifth and last servicing mission next week, is a veritable time machine that has revolutionized humankind's vision and comprehension of the universe.http://news.yahoo.com/s/afp/20090510/sc_afp/usspaceastronomy...

Exploring the Universe, One B-Movie at a Time

New York TimesThe ?Star Trek? future was constructed from our pop culture of the past.http://www.nytimes.com/2009/05/10/opinion/10hajdu.html

News about Universe

RBC Hedge 250 Index(R) returned -7.67 per cent in September 2008

MSN MoneyCentralThe Universe on which the Index is based currently consists of 5,970 hedge funds (excludes funds of hedge funds) with aggregate assets under management of $1.599 trillion . Since its inception on July 1, 2005 through the end of August 2008 , the RBC ... http://news.moneycentral.msn.com/provider/providerarticle.as...

Talk To Your Pet

San Francisco GateBut today's animal communicators don't usually ask your pets to comment on the nature of the universe or the meaning of life after death. Instead, their approach is practical and results-oriented, focusing on lifestyle, behavior and health concerns ... http://www.sfgate.com/cgi-bin/article.cgi?f=/g/a/2008/10/14/...

The architect of a world of free minds

Guardian UnlimitedHe felt that black people historically were once masters of the universe, slavery was "a mere interruption", and now it was time for black people to organise like other ethnic groups and build a strong power base. He led black Americans out of the ... http://www.guardian.co.uk/commentisfree/2008/oct/14/blackhis...

Propane explosion at Brookhaven Lab

NewsdayOfficials said the Relativistic Heavy Ion Collider, which is used to study the state of matter formed in the first microseconds of the universe, was never threatened by the blast that leveled the 34-by-20 foot, 680-square foot concrete block pump ... http://www.newsday.com/news/local/crime/ny-libnl1015,0,55188...

Collection of British television ads has many bright spots

Boston GlobeThe nominees are pulled from all over the marketing universe: multinational media corporations, car companies, local products and chains, public service organizations, and an awful lot of beer. The best of the lot hint that the Mad Men of England's ... http://www.boston.com/ae/movies/articles/2008/10/14/collecti...

Search results for Universe

universe definition | Dictionary.com

Copy & paste this link to your blog or website to reference this pagehttp://dictionary.reference.com/browse/universe

Universe (disambiguation) - Wikipedia, the free encyclopedia

The Universe is everything that physically exists. Universe might also refer to: A set or series of stories, usually fictional, that are either directly or indirectly related ... http://en.wikipedia.org/wiki/Universe_(disambiguation)

universe - Definition of universe at YourDictionary.com

noun. the totality of all the things that exist; creation; the cosmos; the world, or earth, as the scene of human activity; a field or sphere, as of thought or activity, regarded ... http://www.yourdictionary.com/universe

The Universe

Visit the links here for news about the Universe: recent discoveries, images, constellations, the night sky, stars, nebulae, exotic objects, galaxies, and the structure of the ... http://www.windows.ucar.edu/tour/link=/the_universe/the_univ...

Universe / by Jonathan Harris

An interactive study of modern mythology, using global news data from Daylifehttp://universe.daylife.com/

Wikipedia results for Universe

Universe - Wikipedia, the free encyclopedia

The Universe is defined as everything that physically exists: the entirety of space and time, all forms of matter, energy and momentum, and the physical laws and constants that ... http://en.wikipedia.org/wiki/Universe

Universe (disambiguation) - Wikipedia, the free encyclopedia

The Universe is everything that physically exists. Universe might also refer to: A set or series of stories, usually fictional, that are either directly or indirectly related ... http://en.wikipedia.org/wiki/Universe_(disambiguation)

Marvel Universe - Wikipedia, the free encyclopedia

The Marvel Universe is the universe where the stories published by Marvel Comics take place. The Marvel Universe actually exists within a multiverse consisting of thousands of ... http://en.wikipedia.org/wiki/Marvel_Universe

DC Universe - Wikipedia, the free encyclopedia

The DC Universe (DCU) is the shared universe where most of the comic stories published by DC Comics take place. The fictional characters Superman, Batman, and Wonder Woman are well ... http://en.wikipedia.org/wiki/DC_Universe

Big Bang - Wikipedia, the free encyclopedia

The Big Bang is the cosmological model of the initial conditions and subsequent development of the universe supported by the most comprehensive and accurate explanations from ... http://en.wikipedia.org/wiki/Early_universe
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Videos found for Universe

Miss Universe Japan

Miss Universe Japan22-year-old stunner Hiroko Mima wins her country's nomination for the global beauty contestFlash - Video

Miss Universe rivals dress up

Miss Universe rivals dress upThe contestants in the Miss Universe competition have been showing off some bizarre dresses designed to reflect their country's culture.Thousands of spectators packed the Reforma...Flash - Video

Viewing the Universe in a different...

Viewing the Universe in a different lightEuropean scientists are preparing two new windows on the Universe that will give astronomers an unprecedented look at stars forming, and the aftermath of the 'Big Bang.' Unlike...Windows Media - Video

Largest in universe' squid

Largest in universe' squidNew Zealand fishermen catch a rare one-tonne squid near Antarctica. the largest specimen yet seen.Flash - Video

The Beatles - Across The Universe (...

The Beatles - Across The Universe (Anthology version)Slideshow set to music. This unreleased February 1968 alternative take of the song (recorded before the master), sans heavy production, appeared on Anthology 2 in 1996. This is...Flash - Video

Answers for Universe

s@d 3y3sUniverse.....?s@d 3y3ssided by side seperated by a thin membrane is the latest theorychiwashereWhat do you think is beyond the universe?chiwashereThe universe means, literally, everything that exists. Asking what exists beyond the universe is like asking what continents exist outside the Earth. If we can use reason to divine it's existence, the...GanjaIf the universe is ever expanding what is the universe expanding into?GanjaThe universe isn't "expanding into" anything. Expansion of the universe isn't like the kinds of expansion we're used to. Treating them the same is a common error. What is beyond the universe (if an...afriendof CLIFFy DHow did the Universe grow to about 4 light years in radius in the first second?afriendof CLIFFy DCurrently it is not well known and every explanation to inflation is just theory. The most accepted though deals the the Grand Unified Theory (GUT), when the strong, weak, EM forces were combined....Scott FWhat if the universe is deflating like an infinite elongating funnel?Scott Fdeflating means that it will let out all its mass and never inflate again, unless pushed by some outside force...our universe is currently expanding, and one day, it's going to shrink back into that '...
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