"Great Filter" Theory Misunderstood

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Space

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Science

Boost for alien hunters? Earth life may not be so improbable, study suggests

Summary

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75% Informative

A new model describes how life on Earth evolved in step with changing geobiological conditions rather than through a series of improbable events.

The Australian physicist Brandon Carter popularized the notion that life was the result of a sequence of unlikely events, which he described as "hard steps" The idea has subsequently morphed into the concept of the "great filter" to explain why so far we seem to be alone in the universe.

Evolution of complex life may be less about luck and more about the interplay between life and its environment, scientists say.

Evolution of life on Earth is known as the "habitability boundary" If this is the way it happens on Earth , it could be the same way on other worlds, too.

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informal

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English

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not offensive

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not hateful