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  1. #1
    Atomic Punk rocknblues81's Avatar
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    Default Aliens may destroy humanity to protect other civilisations, says NASA scientists



    http://www.guardian.co.uk/science/20...ons?CMP=twt_gu

    When they see what a mess we've made of our planet, extraterrestrials may be forced to take drastic action. Photograph: PR

    It may not rank as the most compelling reason to curb greenhouse gases, but reducing our emissions might just save humanity from a pre-emptive alien attack, scientists claim.

    Watching from afar, extraterrestrial beings might view changes in Earth's atmosphere as symptomatic of a civilisation growing out of control Ė and take drastic action to keep us from becoming a more serious threat, the researchers explain.

    This highly speculative scenario is one of several described by a Nasa-affiliated scientist and colleagues at Pennsylvania State University that, while considered unlikely, they say could play out were humans and alien life to make contact at some point in the future.

    Shawn Domagal-Goldman of Nasa's Planetary Science Division and his colleagues compiled a list of plausible outcomes that could unfold in the aftermath of a close encounter, to help humanity "prepare for actual contact".

    In their report, Would Contact with Extraterrestrials Benefit or Harm Humanity? A Scenario Analysis, the researchers divide alien contacts into three broad categories: beneficial, neutral or harmful.

    Beneficial encounters ranged from the mere detection of extraterrestrial intelligence (ETI), for example through the interception of alien broadcasts, to contact with cooperative organisms that help us advance our knowledge and solve global problems such as hunger, poverty and disease.

    Another beneficial outcome the authors entertain sees humanity triumph over a more powerful alien aggressor, or even being saved by a second group of ETs. "In these scenarios, humanity benefits not only from the major moral victory of having defeated a daunting rival, but also from the opportunity to reverse-engineer ETI technology," the authors write.

    Other kinds of close encounter may be less rewarding and leave much of human society feeling indifferent towards alien life. The extraterrestrials may be too different from us to communicate with usefully. They might invite humanity to join the "Galactic Club" only for the entry requirements to be too bureaucratic and tedious for humans to bother with. They could even become a nuisance, like the stranded, prawn-like creatures that are kept in a refugee camp in the 2009 South African movie, District 9, the report explains.

    The most unappealing outcomes would arise if extraterrestrials caused harm to humanity, even if by accident. While aliens may arrive to eat, enslave or attack us, the report adds that people might also suffer from being physically crushed or by contracting diseases carried by the visitors. In especially unfortunate incidents, humanity could be wiped out when a more advanced civilisation accidentally unleashes an unfriendly artificial intelligence, or performs a catastrophic physics experiment that renders a portion of the galaxy uninhabitable.

    To bolster humanity's chances of survival, the researchers call for caution in sending signals into space, and in particular warn against broadcasting information about our biological make-up, which could be used to manufacture weapons that target humans. Instead, any contact with ETs should be limited to mathematical discourse "until we have a better idea of the type of ETI we are dealing with."

    The authors warn that extraterrestrials may be wary of civilisations that expand very rapidly, as these may be prone to destroy other life as they grow, just as humans have pushed species to extinction on Earth. In the most extreme scenario, aliens might choose to destroy humanity to protect other civilisations.

    "A preemptive strike would be particularly likely in the early phases of our expansion because a civilisation may become increasingly difficult to destroy as it continues to expand. Humanity may just now be entering the period in which its rapid civilisational expansion could be detected by an ETI because our expansion is changing the composition of the Earth's atmosphere, via greenhouse gas emissions," the report states.

    "Green" aliens might object to the environmental damage humans have caused on Earth and wipe us out to save the planet. "These scenarios give us reason to limit our growth and reduce our impact on global ecosystems. It would be particularly important for us to limit our emissions of greenhouse gases, since atmospheric composition can be observed from other planets," the authors write.

    Even if we never make contact with extraterrestrials, the report argues that considering the potential scenarios may help to plot the future path of human civilisation, avoid collapse and achieve long-term survival.

    ē This article was amended on 19 August 2011. The subhead said the report was "for Nasa". This has been corrected.

  2. #2
    Atomic Punk Little Dreamer's Avatar
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    12.10.17 @ 04:07 PM
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    I wish my job was speculating about alien life and getting paid for it. Damn!
    Little Dreamer

  3. #3
    Atomic Punk LLFHS's Avatar
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    When they see what a mess we've made of our planet, extraterrestrials may be forced to take drastic action.
    They may have a point, too.
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    Your Hacked Nude Photo Here!

  4. #4
    Emperor of VHLinks.com Brett's Avatar
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    Good tell them to hurry up.
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  5. #5
    Sinner's Swing! Darkstar's Avatar
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    Do you think they'll at least leave the Beautiful Girls thread is we ask nicely?
    Love should NOT be work, it should be as easy as breathing Dave's Dreidel

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  6. #6
    Good Enough Thai Boxer 9901's Avatar
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    In all honesty...I wouldnt blame the aliens. They would probly be doing us a favor lol
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  7. #7
    Baluchitherium
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    Default

    Quote Originally Posted by Little Dreamer View Post
    I wish my job was speculating about alien life and getting paid for it. Damn!
    Indeed.

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  8. #8
    Top Of The World mcstravi's Avatar
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    Default

    I wonder with all of their advanced technologies they could tell ups when the VH album will be released?
    Finally trying to pick up guitar after too many years.
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  9. #9
    Sinner's Swing! Bullwinkle's Avatar
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    "Zorak, have you completed your survey of the star system?"

    "Yes, Aknot. Everything looks okay, except for the third planet from the sun."

    "What's wrong with it."

    "Nothing, really. It's a beautiful little place, inhabited by intelligent whales. We talked for a while and they're very nice. The trouble is, about 25% of it, everything not covered by water, has become overrun with psychotic primates. They're starting to get out of control. Really making a mess of the place."

    "Hmmm...you think we should get rid of them?"

    "Yes. The whales asked us to."

    "Okay. A level five pulse should do it. Ready?"

    "Ready...3...2...1..."

    "Okay. What's next?"







    Don't read this.

  10. #10
    Atomic Punk ziggysmalls's Avatar
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    Default

    I can't see that happening. Honestly its like us destroying an ant colony cause they are killing aphids. You think we care as long as its not bothering us?

    You only remove pests if they are messing around with you. I think Al came up with this since ManBear Pig was found to be a hoax.

  11. #11
    Good Enough Ace Ventura's Avatar
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    I am absolutely certain that alien life forms look at us as the most self centered, arrogant, selfish, narcissistic barbarians in the universe. Collectively, we donít get it and clearly never will.
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  12. #12
    Baluchitherium
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    Personally I tink the only time that scenario would be realistic is if we started to colonise other planets outside our solar system and began to spread like some kind of plague. Until then and until we meet some real live little green men, I think we're safe....Exept from ourselves.
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  13. #13
    Eruption
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    Steppin' into our universe...


  14. #14
    Eruption
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    Some kind of alien...












  15. #15
    Eruption
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    They're lighting up the skies...














 

 

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