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How did Laplace contribute to the evolution of the Solar System?
Why was Laplace important to astronomy?
Who derived Laplace's nebular hypothesis?
How did the Solar System evolve?
According to Laplace's description of the hypothesis, the Solar System had evolved from a globular mass of incandescent gas rotating around an axis through its centre of mass. As it cooled, this mass contracted, and successive rings broke off from its outer edge.
The formation and evolution of our solar system (and planetary systems around other stars) are among the most challenging and intriguing fields of modern science. As the product of a long history of cosmic matter evolution, this important branch of astrophysics is referred to as stellar-planetary cosmogony.
This model, known as the nebular hypothesis, was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, chemistry, geology, physics, and planetary science.
Laplace successfully accounted for all the observed deviations of the planets from their theoretical orbits by applying Sir Isaac Newton ’s theory of gravitation to the solar system, and he developed a conceptual view of evolutionary change in the structure of the solar system.
Laplace derived his nebular hypothesis in part from the work of William Herschel (1738-1822) on the origin of stars. He was probably unaware of Kant's cosmology when he theorized about the solar system in the 1790s.
Pierre-Simon, Marquis de Laplace (March 23, 1749 – March 5, 1827) was a French mathematician and astronomer who conclusively demonstrated the stability of the Solar System and vindicated Isaac Newton 's theory of gravitation by his imaginative solutions to mathematical problems.
Pierre-Simon, marquis de Laplace, (born March 23, 1749, Beaumount-en-Auge, France—died March 5, 1827, Paris), French mathematician, astronomer, and physicist. He is best known for his investigations into the stability of the solar system and the theory of magnetic, electrical, and heat wave propagation.
