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Thread: chance for life aloft at Venus

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    Default chance for life aloft at Venus



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    Default Re: chance for life aloft at Venus

    Thanks n_FA. I seem to remember reading about something about this sometime ago, but don't know where. I sure would like it if they found life other than on earth, so we would know it's possible.
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    Default Re: chance for life aloft at Venus

    Unlikely but.....
    I have a question that I cannot seem to find an answer for:
    Life exists around thermal vents in the ocean, tube worms etc that survive without sunlight at high temperatures and pressure ,living on not much except the other life around them and nutrients emitted from the vents and are found nowhere else.
    Now, my question is- have these specialized forms evolved only initially in that environment or are they migrant life forms from outside that have adapted to life near the vents?
    It's a chicken and egg question perhaps, but that in itself is another question.
    Que nFA....
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    Default Re: chance for life aloft at Venus

    There are a number of folks who think that the tube vents life forms are the beginnings of life on Earth.
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    Default Re: chance for life aloft at Venus

    This is where I have to bow my head and listen to the biologists/exobiologists.
    I have tried valiantly to get my head around RNA/DNA and the likely evolution of single cell life into the complex self-reproducing forms that we are,
    let alone how cellular life came to be in the first place.
    As someone said (Fred Hoyle?) it's as if a tornado swept through a junkyard and by chance assembled a complete and working jumbo jet.
    Oops! I seem to have hijacked the thread! Apologies one and all.
    To get back on topic, I think I would like to take the starship (at faster than light) out to, say 2000 light years, and with a HUGE telescope look back at the Earth to see what was REALLY happening then.

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    Default Re: chance for life aloft at Venus

    I'm a strong believer in what is needed to sustain ''life'' on Earth doesn't apply everywhere else..
    Movie called ''The Space Between Us'' is a perfect example of how it would be true even thou that's just a Hollywood movie...

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    Default Re: chance for life aloft at Venus

    Quote Originally Posted by goldstar View Post
    This is where I have to bow my head and listen to the biologists/exobiologists.
    I have tried valiantly to get my head around RNA/DNA and the likely evolution of single cell life into the complex self-reproducing forms that we are,
    let alone how cellular life came to be in the first place.
    As someone said (Fred Hoyle?) it's as if a tornado swept through a junkyard and by chance assembled a complete and working jumbo jet.
    Oops! I seem to have hijacked the thread! Apologies one and all.
    To get back on topic, I think I would like to take the starship (at faster than light) out to, say 2000 light years, and with a HUGE telescope look back at the Earth to see what was REALLY happening then.
    The problem with Hoyle's logic that with enough time and numerous tornados a 747 can be assembled in a junkyard providing the junk was suitable. Since we are talking only about chemistry and a small number of elements the tornados are much more certain to succeed on a much shorter time scale.

    I like Hoyle. When he was right he was right. When he was interestingly wrong he was interesting. But sometimes he was just dead wrong, period, end of story. This is an example of the last.

    At 2000 light years you would only be witnessing the establishment of Rome as an empire..... and the Han dynasty in China. Not bad views but no insight to the origin of life.
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    Default Re: chance for life aloft at Venus

    To adjust the analogy, repeated tornadoes hitting millions of (burning) junk yards (annually), resulting in a hot air balloon. Jumbo jets come much later.
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    Default Re: chance for life aloft at Venus

    Quote Originally Posted by goldstar View Post
    This is where I have to bow my head and listen to the biologists/exobiologists.
    I have tried valiantly to get my head around RNA/DNA and the likely evolution of single cell life into the complex self-reproducing forms that we are,
    let alone how cellular life came to be in the first place. ...
    Edit: Rats, first article hit a pay-wall, try this one -

    Origin of Life: Did a Simple Pump Drive Process

    https://www.livescience.com/26173-hy...e-origins.html
    Last edited by GCoyote; 07-23-2018 at 01:10 AM.
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    Default Re: chance for life aloft at Venus

    Yes it is unlikely, for life as we know it as Earthlings. But like localhost said, our definition of life for terrestrial creatures doesn't equal living conditions for life we don't even know about. Venus has temperatures and pressure that would kill any Earth creature, but this article raises an interesting point that maybe in the clouds (where it must be cooler than the surface) microbial alien life might feel right at home. It's not too different from wondering if life exists on Europa or Enceladus for how chilly they are.

 

 

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