- nebular theory
- nebular hypothesis or nebular theory nounThe theory of Pierre-Simon Laplace that the solar system was formed by the contraction and breaking up of a rotating nebula• • •Main Entry: ↑nebula
Useful english dictionary. 2012.
nebular theory
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Nebular Theory, The — This theory says that the Sun and planets formed at the same time … The writer's dictionary of science fiction, fantasy, horror and mythology
Nebular contraction — is the fragmentation and densitation of matter and gasses in a nebular cloud related to the creation of Solar objects theorized as the Solar Nebular theory. Categories: NebulaeAstronomy stubsNebula stubs … Wikipedia
nebular — adj. of or relating to a nebula or nebulae. Phrases and idioms: nebular theory (or hypothesis) the theory that the solar and stellar systems were developed from a primeval nebula … Useful english dictionary
theory — [thē′ə rē, thir′ē] n. pl. theories [< Fr or LL: Fr théorie < LL theoria < Gr theōria, a looking at, contemplation, speculation, theory < theōrein: see THEOREM] 1. Obs. a mental viewing; contemplation 2. a speculative idea or plan as… … English World dictionary
nebular hypothesis — n. any of several hypotheses about the origin of the solar system, based on the theory that the sun and the planets formed at about the same time from a nebula … English World dictionary
Nebular hypothesis — Star formation Interstellar medium Molecular cloud … Wikipedia
Nebular hypothesis — Hypothesis Hy*poth e*sis, n.; pl. {Hypotheses}. [NL., fr. Gr. ? foundation, supposition, fr. ? to place under, ? under + ? to put. See {Hypo }, {Thesis}.] 1. A supposition; a proposition or principle which is supposed or taken for granted, in… … The Collaborative International Dictionary of English
nebular hypothesis — Astron. the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace. [1830 40] * * * … Universalium
nebular hypothesis — neb′ular hypoth′esis n. astron. the theory that the solar system evolved from a mass of nebular matter • Etymology: 1830–40 … From formal English to slang
theory — I (New American Roget s College Thesaurus) n. speculation, surmise, conjecture; contemplation; principle, philosophy, doctrine; hypothesis; guess, idea, plan. See supposition. II (Roget s IV) n. 1. [Principles] Syn. law, principles, postulates,… … English dictionary for students
