From The Big Bang To Intelligent Life: The Four Eras Of Astrobiology : 13.7: Cosmos And Culture : NPR/Excellent, thanks Christie! :)

ESO
The Crab Nebula — 6,000 light-years away — is the remnant of a supernova explosion. It was observed by man almost 1,000 years ago, in the year 1054.

This past Sunday I was asked to give an opening lecture at an international conference on astrobiology, linking cosmology to the emergence of life on Earth and other planetary platforms. We, and any other alien creature that might exist, are products of the same laws of physics and chemistry that operate across the cosmos.

At its most basic level, life is a set of self-sustaining chemical reactions capable of metabolizing energy and, crucially, of reproducing according to Darwinian evolution.

So, living creatures are self-organizing bundles of molecules capable of creating [...]

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Full article at npr.org

 

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