Planet Earth
Dusty Spiral Galaxy
Planetary Science Origin of Earth: Big Bang Relevance to Earth Sciences: Elemental Distribution
Big 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