listeningtowords
lecture
The Beginning Of Earth History
tags: geology earthscience asteroids [add tags]
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From the ANU Podcast feed: " Earth formed over 4.5 billion years ago with its initial condition greatly affected by the trauma of giant impacts. In this lecture, Professor David Stevenson discusses how this trauma affects the similarities and differences between Earth and Moon, the core, possible initial layering of the mantle and the conditions for the early evolution, including timing for the origin of life."
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