He envisioned that the Sun originally had an extended hot atmosphere throughout the volume of the Solar System .
Pierre - Simon Laplace independently developed and proposed a similar model in 1796 in his Exposition du systeme du monde .
Pierre - Simon Laplace envisioned that the Sun originally had an extended hot atmosphere throughout the volume of the Solar System .
Pierre - Simon Laplace independently developed and proposed a similar model in 1796 in his Exposition du systeme du monde .