Nebular Hypothesis PDF
Document Details
Uploaded by LaudableDiscernment
Tags
Summary
This document explains the nebular hypothesis, describing how the solar system formed from a cloud of gas and dust. It highlights the contributions of key figures like Emanuel Swedenborg, Immanuel Kant, and Pierre Laplace in developing this theory. The document also touches on accretion and the process of planet formation.
Full Transcript
Important People: “The Nebular Theory or Nebular Hypothesis” - was first proposed by Swedish philosopher Emanuel Swedenborg in 1734. - He was the first s...
Important People: “The Nebular Theory or Nebular Hypothesis” - was first proposed by Swedish philosopher Emanuel Swedenborg in 1734. - He was the first scientist to describe the idea that the universe was formed by clouds of gas. The theory was further developed by Immanuel Kant in 1755. 1734 - Emanuel Swedenborg Important People: “further developed the idea of Swedenborg” - It suggests the Solar System is formed from gas and dust orbiting the Sun which clumped up together to form the planets. - The theory was developed by Immanuel Kant and published in his Universal Natural History and Theory of the Heavens (1755) and then modified in 1796 by Pierre Laplace. 1755 - Immanuel Kant Important People: “modified the idea of Kant” - Pierre-Simon Laplace first suggested in 1796 that the Sun and the planets formed in a rotating nebula which cooled and collapsed. - The theory argued that this nebula condensed into rings, which eventually formed the planets and a central mass - the Sun. 1796 - Pierre Laplace
