Signs of Life? Enceladus Update for July 1, 2018

An update in my continuing coverage on the possibilities for life at Saturn’s Moon Enceladus.

“Macromolecular organic compounds from the depths of Enceladus” Postberg et al, 2018


Cylinder Eight by Chris Zabriskie is licensed under a Creative Commons Attribution license (

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Written by lena

Foodie, Performer, Water Protector, Avid Baker, Syndicate Aggregator. I probably still live in my mom's basement.


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  1. I love your channel. I hope someday you release your books as audio books. It makes your works much more accessible to people who have a busy lifestyle.

  2. Not sure it's proof of a great filter, if we find just very early life forms in Europa or Enceladus. The conditions there are different from how it was on Earth.

  3. Anyone else notice how the logo on the bottom right corner looks a lot like the Illuminati symbol?

  4. Living organisms prefer one isotope of an element over another. For example, we can absorb water with a hydrogen atom of atomic mass one and use it in metabolic pathways. Water with a hydrogen atom of atomic mass two, deuterium will pass right through our system. We would die of thirst if all we had to drink was deuterium. Also, plants selectively incorporate carbon 12 over carbon 14. Any organic compounds or even non-organic compounds like water that do not have the naturally occurring isotopic ratio of the planet, moon or asteroid, are a strong indication of biological activity. Before the oxygen catastrophe, sulfur reducing bacteria laid down sedimentary deposits of sulfur compounds where the sulfur 32 percentage compared to the heavier isotopes was at a much higher level than the naturally occurring 94.99%.

  5. Imagine the unimaginable existential shock of an intelligent civilization that has evolved and lived throughout their entire species history, UNDER the crust of their planet. Either aquatic such as under Europa's ice or in volcanic caverns such as under Ganymede's crust.. We wouldnt even be able to comprehend that.
    Imagine not knowing anything outside the "roof of the world", then suddenly being introduced to beings (us) entering from above, and even showing the path to the "outside", seeing planets, space, the sun, for the first time..

    We think we Earthlings have existential shocks from time to time, but that is absolutely nothing compared to what such a civilization would experience. It may be so intense that the entire species collapses into suicide.

  6. Panspermia guarantees that life will exist almost everywhere it possibly can within the solar system if not beyond, at least dozens of places IMO. It would be even more exciting to find life of a separate genesis, I hope to live long enough to see conclusive confirmation.

  7. Sadly i fear the good people at NASA ( Not A Straight Answer) would never come clean and tell us…

  8. I wish NASA or the ESA would just send probes to drill on those moons already, I would like to see confirmation of alien life on my lifetime.
    Same thing goes for Mars. Yes, there are a lot of risks and unknown variables at play, but still, it took less than a decade to go to the Moon and they did it without knowing everything that could be dangerous (like the fine and very sharp moon dust), but everything turned out ok.

  9. I'm hoping they'll find complex life on Enceladus. I'd like to believe that there is a good chance of intelligent life somewhere out in space, because, like the song says, there's bugger all down here on Earth 😉

  10. What made you describe Enceladus as a 'relatively young' moon? Isn't it the same age as Saturn itself?

  11. It's happening. How can some kind of life not exist on Europa? There is liquid water down there right?

  12. I'm sorry but I have to comment and strongly disagree with something you stated;
    I agree with "IF Prokaryotic -> Eukaryotic == Rare" means possible 'Great Filter'
    But… you then stated that "Prokaryotic -> Eukaryotic != Rare" implies that it's inevitable that this lights the fuse for human-level intellect to explode, automatically, later. It does not… and that, in fact, may well be the Great Filter everyone is looking for.

    I work in the field of Machine Learning, with a strong interest in Neuroscience and a background in Physics and Engineering, on novel models that are in development and under evaluation, and given unpublished papers, some of which I am working upon as I type this, these strongly suggest that the evolution of intellect, especially of human-level abstract-reasoning, may be far far rarer and unlikely than first assumed. While distant worlds may well contain lots of life, oodles of it, the chances of the set of circumstances leading to human-level intellect, even intriguingly given primate-level intellect as a starting point, may well be far less likely than once suspected as being near-inevitable.
    I'm sorry I cannot say more, but I am not at liberty to refer to content, models, results nor conclusions nor implications that are unpublished at this time, due to obligations.
    It would appear that neural functioning appears to utilize a combination of intertwined mechanisms that do not appear to easily arise nor be automatically favoured by evolution.

  13. Hello, firstly I am a big fan have you seen this video. while I am sure you dont read all the comments I would really like to hear your specific view on this as there are other less credible stories about this object actually changing course…if true someone like yourself would be perfect adding a perspective.

  14. Finaly a video realisticly discussing other form of life. I don't believe in little green men with flying disk. But I do know one thing. Intelligent life happened on this world and in science we all learn that a natural occurrences can be repeated. So technically its very possible that in another solar system, intelligent life may exist.

  15. I think that the best two solutions to the fermi paradox is either that we are the first civilization in the universe or there is a small amount of intelligent life in most galaxies, but are limited by the same technological limitations as us. One of those limitations being the rudimentary method of communication, radio waves. I would love to hear your feedback on this hypothesis (if you get round to it of course)

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