nebular hypothesis


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Words related to nebular hypothesis

(cosmology) the theory that the solar system evolved from a hot gaseous nebula

References in periodicals archive ?
Current thinking has seesawed back to a refined version of the nebular hypothesis.
Laplace's nebular hypothesis [22, 23] was often proposed as a starting point for stellar formation in the 19th century.
At present, the Solar Nebular Disk Model (SNDM) [41] has largely replaced the nebular hypothesis, although it maintains, in part, its relationship with the original ideas of Laplace.
The most widely accepted cosmological model for a universe in flux was "the nebular hypothesis," a name invented by Whewell for a hypothesis first proposed by Immanuel Kant, and then developed by Pierre-Simon de Laplace and William Herschel.
The nebular hypothesis was the subject of heated controversy on three levels: first, there was the nature of the evidence itself; second, the question of what that evidence did or did not prove; and third, what it would mean if the hypothesis turned out to be accurate.
His suggestion was therefore called the nebular hypothesis.
It is also reputed that Laplace, the famous French mathematician and astronomer, and a favorite of Napoleon, had been asked by the latter to explain his theory of the nebular hypothesis.
Laplace's nebular hypothesis (see 1796) had broken down over the fact that 98 percent of the angular momentum of the Solar System was concentrated in the planets, which made up only 0.
Ideas like Laplace's nebular hypothesis, put forth in his Exposition du systeme du monde -- an attempt to understand how the Earth and its neighboring planets were formed -- were prevalent at the time.
Laplace's nebular hypothesis of the origin of the Solar System (see 1796) had held sway for a century, even though astronomers had grown steadily more dubious about it.