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Nebular hypothesis

The nebular hypothesis is the most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System (as well as other planetary systems). It suggests the Solar System was formed from gas and dust orbiting the Sun which accreted to form the planets.

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Overview

History

Solar nebular model: achievements and problems

Formation of stars and protoplanetary disks

Formation of planets

Meaning of accretion

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Nebular hypothesis

Nodes148
Edges147
Triples21
Avg. degree1.99
Density0.013514
Components1

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Nebular hypothesis

Top relations

related to External links · 11
Nebular hypothesis → Ball, Cambridge University Press, Encyclopædia Britannica, Hugh, In Chisholm, Nebular Theory, Proctor, Richard, Robert Stawell, The American Cyclopædia, Vol
is a · 1
Nebular hypothesis → most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System

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Important terminology

disk planets formation accretion planetesimals star gas planetary giant solar system mass years embryos thought protoplanetary form may stage stars

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Nebular hypothesisis amost widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System0.90text
Uranusinstance ofIce giants0.80text
Neptune are thought to be failed coresinstance ofIce giants0.80text
which formed too late when the disk had almost disappearedinstance ofIce giants0.80text
the Orion Nebula.The lifespan of the accretion disks is about 10 million yearsinstance ofLarge disks are routinely observed in many star-forming regions0.80text
the presence of interstellar grains in primitive meteoritesinstance ofThis mixing can explain some peculiarities in the composition of Solar System bodies0.80text
refractory inclusions in comets.Dust particles tend to stick to each other in the dense disk environmentinstance ofThis mixing can explain some peculiarities in the composition of Solar System bodies0.80text
leading to the formation of larger particles up to several centimeters in sizeinstance ofThis mixing can explain some peculiarities in the composition of Solar System bodies0.80text
Jupiterinstance ofSome combination of the above-mentioned ideas may explain the formation of the cores of gas giant planets0.80text
perhaps even Saturninstance ofSome combination of the above-mentioned ideas may explain the formation of the cores of gas giant planets0.80text
Nebular hypothesisrelated to External linksProctor0.60section
Nebular hypothesisrelated to External linksRichard0.60section

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