Search: svensmark hypothesis

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A stellar revision of the story of life

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The long-term diversity of life in the sea depends on the sea-level set by plate tectonics and the local supernova rate set by the astrophysics, and on virtually nothing else.

The long-term primary productivity of life in the sea – the net growth of photosynthetic microbes – depends on the supernova rate, and on virtually nothing else.

Exceptionally close supernovae account for short-lived falls in sea-level during the past 500 million years, long-known to geophysicists but never convincingly explained..

As the geological and astronomical records converge, the match between climate and supernova rates gets better and better, with high rates bringing icy times.

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DuckDuckGo / Svensmark Hypothesis