Elements of Life in the Milky Way

(Starts With A Bang!) – Ethan Siegel:

Meteorites that land on Earth have been dissected, and whereas Earth-based life makes use of about 20 amino acids, there are over 60 additional ones found inside of these fallen asteroids — both left and right-handed ones — that aren’t found in life processes on our world. Outflows from stars are seen to contain fullerenes, polycyclic aromatic hydrocarbons and a variety of sugars and carbon-based compounds. …

starts-with-a-bang 396e1f41601

Milky Way center

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