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Starlight found to be a key ingredient in forming the stuff of life

To have life, you first need organic molecules, but where did these come from? It's a big question that isn't easy to answer, but data from ESA's Herschel Space Observatory indicates that ultraviolet light from stars may be a key factor in turning interstellar gases into complex molecules. According to the Jet Propulsion Laboratory (JPL) in Pasadena, California, infrared observations of the Orion Nebula show that starlight could be what drives the formation of precursor chemicals that become the building blocks of life.
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