Planet EarthPlanet Earth

Dusty Spiral Galaxy

Planetary Science

• Origin of Earth:

• Big Bang

• Relevance to Earth Sciences:

• Elemental Distribution

Big BangBig Bang

Birth of the Solar System

Planetary Science

• Formation of Planet from Dust and Gases:

• “Swirling Eddies”

• Accretion

• Melting

• Differentiation

• Relevance to Earth Sciences:

• Composition of Earth

• Density-mediated layering

• Earth’s Heat Engine

Planets and Satellites:

• How many Planets are there, and what is their order in terms of distance from the Sun?

• What is a Satellite?

• How many are there?

Solar System