universe - meaning and definition. What is universe
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What (who) is universe - definition

ALL OF SPACE AND TIME AND THEIR CONTENTS REACHABLE FROM THE EARTH IN PRINCIPLE, POSSIBLY BEING PART OF A MULTIVERSE, DISTINCT FROM PARALLEL UNIVERSES IF THEY EXIST
Our universe; Universes; The Universe; Space and the universe; Universe (thermodynamics); Size of the universe; Earth's universe; The Theory of The Universe; Physical world; Formation of the Universe; The universe; Theory of the universe; Size of Universe; Universal theories; Local Universe; Localverse; Universal theory; UNIVERSE; Universus; Energy density of the Universe; Physical universe; Composition of the universe
  • Aristarchus]] on the relative sizes of, from left to right, the Sun, Earth, and Moon, from a 10th-century AD Greek copy
  • In this schematic diagram, time passes from left to right, with the universe represented by a disk-shaped "slice" at any given time. Time and size are not to scale. To make the early stages visible, the time to the afterglow stage (really the first 0.003%) is stretched and the subsequent expansion (really by 1,100 times to the present) is largely suppressed.
  • The three possible options for the shape of the universe
  • Television signals]] broadcast from Earth will never reach the edges of this image.
  • [[Flammarion engraving]], Paris 1888
  • filaments]] in the [[cold dark matter]] model with [[dark energy]]. The frames show the evolution of structures in a 43 million parsecs (or 140 million light-years) box from redshift of 30 to the present epoch (upper left z=30 to lower right z=0).
  • Astronomers have discovered stars in the [[Milky Way]] galaxy that are almost 13.6 billion years old.
  • 300px
  • 300px
  • voids]] nearest to Earth
  • alt=A four-by-four table of particles. Columns are three generations of matter (fermions) and one of forces (bosons). In the first three columns, two rows contain quarks and two leptons. The top two rows' columns contain up (u) and down (d) quarks, charm (c) and strange (s) quarks, top (t) and bottom (b) quarks, and photon (γ) and gluon (g), respectively. The bottom two rows' columns contain electron neutrino (ν sub e) and electron (e), muon neutrino (ν sub μ) and muon (μ), and tau neutrino (ν sub τ) and tau (τ), and Z sup 0 and W sup ± weak force. Mass, charge, and spin are listed for each particle.
  • Model of the Copernican Universe]] by [[Thomas Digges]] in 1576, with the amendment that the stars are no longer confined to a sphere, but spread uniformly throughout the space surrounding the [[planet]]s
  • url-status = live}}</ref> (Due to rounding errors, the sum of these numbers is not 100%). This reflects the 2008 limits of WMAP's ability to define dark matter and dark energy.

universe         
AMERICAN PROFESSIONAL DOTA 2 PLAYER
Saahil "UNiVeRsE" Arora; Saahil "Universe" Arora; UNiVeRsE; Saahil Arora; Universe (video gamer); Universe (Dota 2 player); Universe (video game player)
n.
World, cosmos, nature, whole creation, all created things.
universe         
AMERICAN PROFESSIONAL DOTA 2 PLAYER
Saahil "UNiVeRsE" Arora; Saahil "Universe" Arora; UNiVeRsE; Saahil Arora; Universe (video gamer); Universe (Dota 2 player); Universe (video game player)
¦ noun
1. (the universe) all existing matter and space considered as a whole; the cosmos.
2. a sphere of activity or experience: the unchallenged ruler of the computer universe.
Origin
ME: from OFr. univers or L. universum, neut. of universus 'combined into one, whole', from uni- 'one' + versus 'turned'.
universe         
AMERICAN PROFESSIONAL DOTA 2 PLAYER
Saahil "UNiVeRsE" Arora; Saahil "Universe" Arora; UNiVeRsE; Saahil Arora; Universe (video gamer); Universe (Dota 2 player); Universe (video game player)
(universes)
Frequency: The word is one of the 3000 most common words in English.
1.
The universe is the whole of space and all the stars, planets, and other forms of matter and energy in it.
Early astronomers thought that our planet was the centre of the universe.
N-COUNT: usu the N in sing
2.
If you talk about someone's universe, you are referring to the whole of their experience or an important part of it.
Good writers suck in what they see of the world, re-creating their own universe on the page...
= world
N-COUNT: usu sing, oft with poss

Wikipedia

Universe

The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. The Big Bang theory is the prevailing cosmological description of the development of the universe. According to this theory, space and time emerged together 13.787±0.020 billion years ago, and the universe has been expanding ever since the Big Bang. While the spatial size of the entire universe is unknown, it is possible to measure the size of the observable universe, which is approximately 93 billion light-years in diameter at the present day.

Some of the earliest cosmological models of the universe were developed by ancient Greek and Indian philosophers and were geocentric, placing Earth at the center. Over the centuries, more precise astronomical observations led Nicolaus Copernicus to develop the heliocentric model with the Sun at the center of the Solar System. In developing the law of universal gravitation, Isaac Newton built upon Copernicus's work as well as Johannes Kepler's laws of planetary motion and observations by Tycho Brahe.

Further observational improvements led to the realization that the Sun is one of a few hundred billion stars in the Milky Way, which is one of a few hundred billion galaxies in the observable universe. Many of the stars in a galaxy have planets. At the largest scale, galaxies are distributed uniformly and the same in all directions, meaning that the universe has neither an edge nor a center. At smaller scales, galaxies are distributed in clusters and superclusters which form immense filaments and voids in space, creating a vast foam-like structure. Discoveries in the early 20th century have suggested that the universe had a beginning and that space has been expanding since then at an increasing rate.

According to the Big Bang theory, the energy and matter initially present have become less dense as the universe expanded. After an initial accelerated expansion called the inflationary epoch at around 10−32 seconds, and the separation of the four known fundamental forces, the universe gradually cooled and continued to expand, allowing the first subatomic particles and simple atoms to form. Dark matter gradually gathered, forming a foam-like structure of filaments and voids under the influence of gravity. Giant clouds of hydrogen and helium were gradually drawn to the places where dark matter was most dense, forming the first galaxies, stars, and everything else seen today.

From studying the movement of galaxies, it has been discovered that the universe contains much more matter than is accounted for by visible objects; stars, galaxies, nebulas and interstellar gas. This unseen matter is known as dark matter (dark means that there is a wide range of strong indirect evidence that it exists, but we have not yet detected it directly). The ΛCDM model is the most widely accepted model of the universe. It suggests that about 69.2%±1.2% of the mass and energy in the universe is dark energy which is responsible for the acceleration of the expansion of space, and about 25.8%±1.1% is dark matter. Ordinary ('baryonic') matter is therefore only 4.84%±0.1% of the physical universe. Stars, planets, and visible gas clouds only form about 6% of the ordinary matter.

There are many competing hypotheses about the ultimate fate of the universe and about what, if anything, preceded the Big Bang, while other physicists and philosophers refuse to speculate, doubting that information about prior states will ever be accessible. Some physicists have suggested various multiverse hypotheses, in which our universe might be one among many universes that likewise exist.

Examples of use of universe
1. All by way of saying that the universe of God‘s creating – the universe in which we live – is completely harmonious.
2. Mythical universe Their mythical universe is created in three parallel layers, the deep world, the earth and the celestial.
3. The new findings, by bolstering general relativity once again, suggest it will be a while before Einstein‘s universe is revised the way he revised the Newtonian universe.
4. "There are important intersections between the sort of questions people in theology ask about the universe, and people in science ask about the universe," he says.
5. Estimates suggest that normal matter – what we see in the universe, including the stars and planets makes up only 4% of the universe.