Is There Life On Other Planets? | A Research Professor Explains
Finding Genius Podcast
The Origins of Earth's Atmosphere and Water
This chapter examines the formation and evolution of Earth's early atmosphere, which was rich in carbon dioxide and lacked oxygen. It highlights the crucial roles of comets and meteorites in delivering water and other essential volatiles, particularly during significant events like the late heavy bombardment. Additionally, the chapter discusses how atmospheric changes facilitated the emergence of life and the transition toward a nitrogen-dominant atmosphere, influenced by the advent of oxygen-producing organisms.
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