Download - Planet Earth
Transcript
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