The Universe/Space (The first hierarchical level)

Depiction of a portion of the universe by an artist.  (16k)

Illustration of the Universe

universe is a noun.  There are 4 definitions.

Definition 1 is:  The aggregate of all existing things; the whole creation; in restricted sense, the earth.

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The universe consists of probably 100 billion galaxies with an average of 100 billion stars in each.

This link is to Definition 2.  This link is to the top of this page.

Associations with universe, Definition 1, are:

aggregate as a noun.  Definition 1 of 2 is:  The entire number, sum, mass, or quantity of something; amount; total; collection.

space as a noun. Definition 1 of 7 is:  An interval between points or objects; a limited portion of extension; distance; area.  Definition 2 is: The abstract possibility of extension; that which is characterized by dimension; continuous boundless extension.

Big Bang:  Theory which states that the universe began with a huge explosion, between 10 and 20 billion years ago.

background radiation:  Believed to be a remnant of the Big Bang.

high-energy gamma radiation corresponding to about minus 454 degrees Fahrenheit.

low-energy microwave radiation corresponding to about 5,400 degrees Fahrenheit.

closed universe:  Theory that expansion will eventually slow to a stop and then contraction will begin.

open universe:  Theory that expansion will continue forever.

red shift:  The wave-length elongation as a light or sound source moves away from you; see Doppler effect.

Doppler effect:  The wave-length contraction as a light or sound source moves toward you, also the companion to the red shift.

deep space, space beyond the limits of the solar system. Also called outer space.

outer space, Definition 1 of 2 is:  Space beyond the atmosphere of the earth. Definition 2 is:  See "deep space".

cosmos is a noun. Definition 1 of 5 is:  The world or universe considered as a system, perfect in order and arrangement:  opposed to chaos.

macrocosm is a noun. Definition 1 of 2 is:  The great world; the universe:  opposed to microcosm.

ether is a noun. Definition 2 of 3 is:  A supposed medium filling all space, through which the vibrations of light, heat, and electricity are propagated.  Definition 3 is: The upper air.

heaven is a noun. Definition 2 of 6 is:  The region or regions surrounding the earth: especially, the expanse over the earth which seems like a great dome; the sky; firmament:  frequently used in the plural, heavens.

inane is a noun. Definition 1 of 1 is:  That which is void of substance or of power; any vacuity; infinite space.

sky as a noun. Definition 1 of 4 is:  The blue vault, or a part of it, that seems to bend over the earth; the firmament.  Definition 2 is:  The upper atmosphere, especially considered meteorologically; the region of the clouds.  Definition 3 is:  The celestial regions; heaven.

firmament, is a noun. Definition 1 of 1 is:  The expanse of heaven; sky.

infinity is a noun.  Definition 1 of 5 is:  The quality or state of being infinite; boundlessness; ... Definition 2 is:  Something, as space, regarded as boundless.  Definition 3 is:  The portion of space that lies at an infinite distance.

astrophysics is a noun.  Definition 1 of 1 in Astronomy is:  That branch of astronomy which treats of the appearance and physical constitution of the heavenly bodies.


Definition 2 is:  Human beings collectively; mankind.

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Associations with universe, Definition 2, are:

humanity is a noun.  Definition 1 of 4 is:  Mankind collectively.


Definition 3 in Logic is:  All objects, collectively, that are the subjects of consideration at once.  A variant is:  universe of discourse.

This link is to Definition 4.  This link is to the top of this page.

Associations with universe, Definition 3, are:

object as a noun.  Definition 1 of 5 is:  Anything that comes within the cognizance of the senses; especially, anything tangible or visible.

collective as a noun.  Definition 2 of 2 is:  A collection or gathering.

subject as a noun.  Definition 3 of 5 is:  Something upon which thought or the artistic constructive faculty is employed.

consider as a verb-intransitive.  Definition 1 of 1 is:  To think closely; cogitate.

consider as a verb-transitive .  Definition 1 of 7 is:  To reflect upon; ponder.  Definition 2 is:  To think to be; estimate.

discourse as a noun.  Definition 2 of 3 in Logic is:  An act, the exercise, or the power of analytical and consecutive thought; ratiocination.


Definition 4 is:  A boundless number or quantity.

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Associations with universe, Definition 4, are:

infinite as a noun.  Definition 1 of 2 is:  That which is infinite; an infinite quantity or magnitude; infinity.

infinite as an adjective.  Definition 1 of 5 is:  So great as to be immeasurable and unbounded; limitless; inexhaustible.

boundless is an adjective.  Definition 1 of 1 is:  Having no limit; vast; measureless; infinite.


This link is to universe synonyms, antonyms and etymology.

Within the hierarchical structure, this down link is to galaxy cluster.

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Last update of this page:

2000 MAR 02  Down link corrected from "Zodiac" to "galaxy cluster."

2000 JAN 18  Pronunciation added.

1999 JUL 20