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Any Intelligent Life on Earth?


Airbrush

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That only goes for EM signals sent into space. A much more advanced ET can detect the gases of life in our atmosphere from a much longer distance than we can. Forget about EM signals and spectroanalysis of our atmosphere, they could have other means for finding planets that are very favorable to life over a long period of time. Our solar system is extraordinarily orderly compared to most we can detect. ETs will recognize that. Our planet is gifted with outstanding, and rare conditions for life to evolve. That would certainly be of interest to them, but they wouldn't want to chat with us.

Can you offer evidence for this assertion and not that life has evolved to fit the earth?

Oh a UFO sighting near where I live...

 

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  • 1 year later...

I think that most aliens resemble us if they are biological life forms. There would be differences of course, but humanoid nonetheles if they were of the same galaxy. I think that stars communicate with each other, and therefore influence their humans thru evolution and gene alteration to mimick each other. After all, they know that eventually we will encounter one another in the future.

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!

Moderator Note

 

 

I think that most aliens resemble us if they are biological life forms. There would be differences of course, but humanoid nonetheles if they were of the same galaxy. I think that stars communicate with each other, and therefore influence their humans thru evolution and gene alteration to mimick each other. After all, they know that eventually we will encounter one another in the future.

 

Jeffellis - please stop responding on the main fora with pure guesswork, speculation, or personal notions. The main fora are for the discussion of science and not for the exchange of outlandish ideas.

 

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ETs are good at "picking up" after themselves. That is why evidence is always inconclusive. If ETs have conspired with governments, they could use law enforcement and the military to collect evidence to be taken away by the ETs.

Unicorns are pretty damn good at picking up after themselves too. They use their horn. You've never seen one because they consider humans to be inferior so they use their pixie dust to cloak themselves.

 

The Fermi paradox is easily explained by aliens that adapt to be at maximum efficiency with their environment. Those alien civilizations that try to go off world before learning to live in balance with their own planet, cause their extinction by running out of resources.

 

There's a technological carrying capacity, it involves maximum efficiency. There maybe more resources in space, but the resources spent in order to obtain it must balance and not destroy the environment.

Edited by Sorcerer
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If they can go off world, why are they running out of resources?

Because of the resource cost and environmental cost involved in space travel. If they don't first have the technology to live in balance with their home planet spending their resources and damaging their environment in order to gain exo planet resources, leads to inefficiencies that either cause their extinction or prevent them progressing.

 

It's the great filter, except the filter is caused by the very nature of interstellar travel.

Basically if we want to colonise mars first we must have the technology to live there extremely efficiently. If we then applied that technology to our way of life on earth we would then have more to invest in further travel.

 

But if we spend so much of earth's resources colonizing Mars that the earth suffers, we're putting ourselves at risk of stunting our potential or extinction. If humans fail on earth, even with a colony then on Mars, they will too fail there.

 

We've got it easy here. Advanced civilizations know this, growth leads to carrying capacity, advanced spacefaring civilizations must live in balanced with their universal carrying capacity. The nature of this fact means the type 1/2/3 megastructures we assumed would be out there are just dumb growth fixated human pipe dreams.

 

Ecological harmory is the hallmark of an advanced civilization.

Edited by Sorcerer
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Because of the resource cost and environmental cost involved in space travel. If they don't first have the technology to live in balance with their home planet spending their resources and damaging their environment in order to gain exo planet resources, leads to inefficiencies that either cause their extinction or prevent them progressing.

 

It's the great filter, except the filter is caused by the very nature of interstellar travel.

 

Once off planet, resources for continuing to thrive off planet increase. It's only inefficient if you have to keep going back home. This looks like the direction we'll be taking, using drones to mine asteroids for the resources to make more drones and infrastructure to support independence from Earth's resources.

 

The key to extraplanetary resources is to leave them in space and use them out there instead of stripping the home world. It's hideously expensive to bring a ton of steel up from the surface of Earth to orbit; better to mine the iron from an asteroid and remove the impurities in space. Similarly, you could have an asteroid made out of gold, but leaving the planet and trying to bring it back to Earth would cost so much the gold would have little value. It's still just gold, but you paid ten times more (total guess) than what Earth gold costs to produce.

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The filter is caused by the initial start up cost being so high that it is deleterious to life on the home world. So almost all advanced civilizations would take the rational path towards a sustainable and insular society, meaning interstellar travel and galactic mega structures are an extreme rarity.

 

Those civilizations that try to expand almost always fail, leading to extinction or regression. And there would be very few if any who could/would visit us.

 

Humans are notorious for being short sighted of the environmental impacts of our technology. We like to push the boundaries, it's probably a typical trait of intelligent life on the path to interstellar travel.

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