Extraterrestrial life Intelligent Design

According to some NASA researchers, all the ETs have destroyed themselves

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Okay, as noted earlier, on the New Year’s Weekend during a lockdown, we can do at least some frivolity, like blowout whistles and so forth. How about this one?

The statement comes from researchers with NASA’s Jet Propulsion Laboratory, the California Institute of Technology and Santiago High School who used an updated version of an equation to calculate the likely existence of intelligent life and determined aliens may have emerged some eight billion years after our galaxy formed. – Stacy Liberatore, “The Milky Way May Be Full of Dead Aliens Who Were ‘Annihilated’ by Their Own Science and Technologies, Study Suggests” at Daily Mail (December 23, 2020

News, “We don’t see ETs because they are all dead” at Mind Matters News

Abstract: In the field of Astrobiology, the precise location, prevalence and age of potentialextraterrestrial intelligence (ETI) have not been explicitly explored. Here, we address these inquiries using an empirical galactic simulation model to analyze the spatial-temporal variations and the prevalence of potential ETI within the Galaxy. This model estimates the occurrence of ETI, providing guidance on where to look for intelligent life in the Search for ETI (SETI) with a set of criteria, including well-established astrophysical properties of the Milky Way. Further, typically overlooked factors such as the process of abiogenesis, different evolutionary timescales and potential self-annihilation are incorporated to explore the growth propensity of ETI. We examine three major parameters: 1) the likelihood rate of abiogenesis (λA); 2) evolutionary timescales (Tevo); and 3) probability of self-annihilation of complex life (Pann). We found Pann to be the most influential parameter determining the quantity and age of galactic intelligent life. Our model simulation also identified a peak location for ETI at an annular region approximately 4 kpc from the Galactic center around 8 billion years (Gyrs), with complex life decreasing temporally and spatially from the peak point, asserting a high likelihood of intelligent life in the galactic inner disk. The simulated age distributions also suggest that most of the intelligent life in our galaxy are young, thus making observation or detection difficult.


They raise the question whether progress of science and technology inevitably lead to the destruction of civilizations.

You may also enjoy these accounts of why we do not see the aliens:

1.Are the Aliens We Never Find Obeying Star Trek’s Prime Directive? The Directive is, don’t interfere in the evolution of alien societies, even if you have good intentions. Assuming the aliens exist, perhaps it’s just as well, on the whole, if they do want to leave us alone. They could want to “fix” us instead…

2.How can we be sure we are not just an ET’s simulation? A number of books and films are based on the idea. Should we believe it? We make a faith-based decision that logic and evidence together are reasonable guides to what is true. Logical possibility alone does not make an idea true.

3.Did the smart machines destroy the aliens who invented them? That’s the Berserker hypothesis. A smart deadly weapon could well decide to do without its inventor and, lacking moral guidance, destroy everything in sight. Extinction of a highly advanced civilization by its own lethal technology may be more likely than extinction by natural disaster. They could control nature.

4.Researchers: The aliens exist but they are sleeping… And we wake them at our peril. The Aestivation hypothesis is that immensely powerful aliens are waiting in a digitized form for the universe to cool down from the heat their computers emit.

5.Maybe there are just very few aliens out there… The Rare Earth hypothesis offers science-based reasons that life in the universe is rare. Even if life is rare in the universe, Earth may be uniquely suited to space exploration, as the Privileged Planet hypothesis suggests.

6.Does science fiction hint that we are actually doomed? That’s the implication of an influential theory as to why we never see extraterrestrials. Depending how we read the Kardashev scale, civilizations disappear somewhere between where we are now and the advanced state needed for intergalactic travel.

7.Space aliens could in fact be watching us. Using the methods we use to spot exoplanets. But if they are technologically advanced, wouldn’t they be here by now? The Hart-Tipler conjecture (they don’t exist) is, of course, very unpopular in sci-fi. But let’s confront it, if only to move on to more promising speculations.

8.Is the brief window for finding ET closing? According to some scenarios, we could be past our best-before date for contacting aliens. Of course, here we are assuming a law of nature as to how long civilizations last. Can someone state that law? How is it derived?

9. What if we don’t see aliens because they have not evolved yet? On this view, not only did we emerge during a favorable time in the universe’s history but we could end up suppressing them. The Firstborn hypothesis (we achieved intelligence before extraterrestrials) lines up with the view that humans are unique but sees that status as temporary.

5 Replies to “According to some NASA researchers, all the ETs have destroyed themselves

  1. 1
    EDTA says:

    Does this mean we can stop spending money looking for them? ?

    I didn’t think so.

  2. 2
    Seversky says:

    Look on the bright side. There’s still a lot of work for science to do.

  3. 3
    Fasteddious says:

    This is hilarious: come up with a simplistic “model”, throw some numbers at it, produce some “results”, then write a paper about it to show the world how clever you are. Some people should get a real job or retire, and some others should stop paying for silliness.

  4. 4

    I would hope the “researchers” came up with this on their own time and dime in the back bedroom and not on the taxpayers dime. It’s obvious they have not found even one ET planet, let alone any that are dead.
    What they have done, as Drake before them, is to come up with an equation – nothing more. Then they “researched” their own formula and called themselves researchers.

    Where can I pick up my own PhD? I’ve got 50 bucks to spare.

  5. 5
    ET says:

    I guess all of these experts are lying: UFOs are real and ET is already here?

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