Chapter 9 - Chapter 9 History of Earth Origin of the Solar...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 9 History of Earth Origin of the Solar System The Nebular Hypothesis o Sun formation o Planet formation Planetesimals Inner planets Outer planets o a diffuse, roughly spherical slowly rotating nebula begins to contract o as a result of contraction and rotation, a flat, rapidly rotating disk forms w/ the matter concentrated at the center that will become the proto-Sun made primarily of hydrogen and helium produces energy through nuclear fusion o the enveloping disk of gas and dust forms grains that collide and clump together into small chunks or planetesimals Structure of the Solar System o inner planets are small and rocky started off as one big mass as a homogenous composition o the 4 giant outer planets and their moons are gaseous w/ rocky cores o Pluto is a snowball of methane, water, and rock o Small bodies of the solar system
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Asteroids Meteorites Comets - Primarily ice, gas and dust Early Earth Forming a layered planet Differentiation: from a uniform plantesimal to a layered planet
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/14/2011 for the course GEO 1010 taught by Professor Rogers during the Spring '11 term at Missouri (Mizzou).

Page1 / 5

Chapter 9 - Chapter 9 History of Earth Origin of the Solar...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online