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Technology: Space colonisation.

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    http://www.dailymail.co.uk/sciencetech/article-5195987/NASA-planning-2069-mission-Alpha-Centauri.html

    Not very inspiring. Rather like sending half a dozen rovers to Mars and NOT looking for life.
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      CommentAuthorTrim
    • CommentTimeDec 20th 2017
     
    I agree.

    Bill Nye: “I Predict No One Is Going To Want To Settle on Mars”.

    https://futurism.com/bill-nye-i-predict-no-one-is-going-to-want-to-settle-on-mars/
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      CommentAuthorTrim
    • CommentTimeDec 21st 2017
     
    I thought you disliked Escape Dynamics?

    What about project Orion?
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      CommentAuthorTrim
    • CommentTimeDec 21st 2017 edited
     
    HB11

    https://www.hb11.energy/

    Would there be any value in scooping protons (hydrogen) from space in a spacecraft that already had Boron11 on board?

    In other words, what would the scooped hydrogen weigh in total?
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      CommentAuthorTrim
    • CommentTimeDec 21st 2017
     
  8.  
    "pB11" and "HB11" are synonymous because, as you probably know, the hydrogen nucleus has one proton.
  9.  
    Posted By: Andrew Palfreymanthe hydrogen nucleus has one proton

    What else does it have?
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      CommentAuthorTrim
    • CommentTimeDec 21st 2017
     
    Fluctuations and a very positive attitude.
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    The blessing of the pope

    (ok, "is")
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    And does your hat have three corners?
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      CommentAuthorTrim
    • CommentTimeDec 22nd 2017
     
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      CommentAuthorTrim
    • CommentTimeDec 23rd 2017
     
    SpaceX's Falcon 9 Launch Just Created an Eerie Light Show Over Southern California.

    https://www.sciencealert.com/spacex-s-falcon-9-launch-just-created-an-eerie-light-show-over-southern-california
  15.  
    Posted By: TrimWhy complex life could prove remarkably common in the universe.

    https://www.newscientist.com/article/2157100-why-complex-life-could-prove-remarkably-common-in-the-universe/


    I can't see the whole article. Is it another "argument from large numbers?"
    Astrobiology, that science with null subject, has its own particular fallacies, and that's perhaps the most egregious.

    But every time it comes up, the eerie silence just gets eerier.
  16.  
    https://www.centauri-dreams.org/?p=39000
    Hush. Listen closely. The bacteria are whispering.
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      CommentAuthorTrim
    • CommentTimeDec 23rd 2017
     
    Excellent find, thanks.
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      CommentAuthorTrim
    • CommentTimeDec 23rd 2017
     
    I particularly like this.

    Believing that bacteria were the first life forms to emerge from chemistry is like believing that the iPhone was the first human-invented machine.
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      CommentAuthorAngus
    • CommentTimeDec 23rd 2017
     
    Very long, still reading...

    The idea of interstellar messaging via RNA is old in SF. I remember a story by Arthur Clarke, I think, in one of his ironic moods, that had a scientist uncover the message we all carry forward in time in our genes, only to find also that the message had been received long ago, so we actually are just a discarded telegram.

    Maybe bacteria are the simplest life forms because they represent the threshold complexity for life. Kaufman has a nice idea about the threshold for autocatalysis being about there.
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      CommentAuthorTrim
    • CommentTimeDec 23rd 2017
     
    The comments at the end are interesting and quite long as well.

    Hoyles Panspermia theory could be right.


    What is Al's take on it?

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