Nebular Hypothesis
Related Category: Astronomy: General
see solar system.
More on Nebular Hypothesis
Solar System - the sun and the surrounding planets, natural satellites, asteroids, meteoroids, and comets that are bound by its gravity.
Nebular Hypothesis
Hypothesis, maintained in the nineteenth and early twentieth century, that the spiral nebulae are not galaxies but are instead whirlpools of gas from which new systems of stars and planets are condensing.
nebular hypothesis: The proposal that the solar system formed from a rotating cloud of gas.
neutrino: A neutral, massless atomic particle that travels at or nearly at the speed of light.
In the Nebular Hypothesis, a cloud of gas and dust collapsed by gravity begins to spin faster because of angular momentum conservation ...
nebular hypothesis - (n.)
a general theory that describes how stars and their associated solar systems are formed from the condensation of clouds of dust and gas in space
neutrino - (n.) ...
The nebular hypothesis of solar system formation describes how protoplanetary disks are thought to evolve into planetary systems. Electrostatic and gravitational interactions may cause the dust and ice grains in the disk to accrete into planetesimals.
The nebular hypothesis maintains that the Solar System formed from the gravitational collapse of a fragment of a giant molecular cloud which likely was several light-years across.
The Kant-Laplace nebular hypothesis
Twentieth-century developments
Modern ideas ...
In cosmogony, the nebular hypothesis is the most widely accepted model explaining the formation and evolution of the Solar System. It was first proposed in 1734 by Emanuel Swedenborg....
as a group of planetesimal
Planetesimal ...
A common hypothesis agreed upon by most astronomers, called the nebular hypothesis, is that during the first few million years of the solar system's history, planets formed by accretion of planetesimals.
Newcomb: "At the present time we can only say that the nebular hypothesis is indicated by the general tendencies of the laws of nature, that it has not been proved to be inconsistent with any fact, ...
Early attempts to explain the origin of this system include the nebular hypothesis of the German philosopher Immanuel Kant and the French astronomer and mathematician Pierre Simon de Laplace, ...
1796 - Pierre Laplace states his nebular hypothesis for the formation of the solar system from a spinning nebula of gas and dust
1801 - Giuseppe Piazzi discovers the asteroid Ceres
1802 - Heinrich Wilhelm Olbers discovers the asteroid Pallas ...
Assertion that the sun belongs to a galaxy and that the spiral nebulae are other galaxies of stars, which in turn are separated from one another by vast voids of space. Compare nebular hypothesis. [F88]
ISAS ...
 See also: Hypothesis, Nebula, Planet, Solar, Sun
  
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