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Enceladus Macromolecular Organic Compounds

PostPosted: Wed Jun 27, 2018 8:05 pm
by Sparhafoc

Saturn’s moon Enceladus harbours a global water ocean1, which lies under an ice crust and above a rocky core2. Through warm cracks in the crust3 a cryo-volcanic plume ejects ice grains and vapour into space4–7 that contain materials originating from the ocean8,9. Hydrothermal activity is suspected to occur deep inside the porous core10–12, powered by tidal dissipation13. So far, only simple organic compounds with molecular masses mostly below 50 atomic mass units have been observed in plume material6,14,15. Here we report observations of emitted ice grains containing concentrated and complex macromolecular organic material with molecular masses above 200 atomic mass units. The data constrain the macromolecular structure of organics detected in the ice grains and suggest the presence of a thin organic-rich film on top of the oceanic water table, where organic nucleation cores generated by the bursting of bubbles allow the probing of Enceladus’ organic inventory in enhanced concentrations.

I thought it was going to be Europa, but Enceladus will do nicely! :)

Re: Enceladus Macromolecular Organic Compounds

PostPosted: Wed Jun 27, 2018 10:30 pm
by Collecemall
I hope I live long enough to see it. I don't think it's a matter of if... I think it's when.