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View from a Scope | December 7, 2019

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Where did Earth’s water come from?

There is approximately 1,450 million billion tonnes of water in the worlds oceans. There are two main theroes about where it all came from.

1. On early Earth, hydrogen and oxygen molecules combined and emerged as steam from volcanic eruptions.

2. Ready made water molecules arrived from Earth from comets which would have being bombarding the early Earth.

Posted in: Earth