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The Ocean Begins

  • Peter Townsend Harris
Chapter

Abstract

The origins of the Earth and moon and the evidence for the first ocean are discussed. We explore answers to the following questions: Were there any continents 4 billion years ago? What would the view from a beach look like 4 billion years ago? How large were the first tides? Was the first ocean salty? What color was the first sky? When did life first arise in the ocean? During its early history, the Earth became a snowball; was the entire ocean ever frozen solid? What is the “albedo effect”?

Keywords

Solar system Theia Moon Hadean Ocean crust Earth’s core Earth’s atmosphere Earth-moon distance Ocean tides Late heavy bombardment Banded iron formation Photosynthesis Great Oxygenation Event Albedo “Snowball” Earth Huronian glaciation 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Peter Townsend Harris
    • 1
  1. 1.GRID-ArendalArendalNorway

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