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Are We Alone In The Universe?

Does Earth Harbor The Only Sentient Life Forms In The Universe?


  • Total voters
    24

Polymath257

Think & Care
Staff member
Premium Member
Microbial life would be more common. Sentient life would be very lotterial. The right size sun with the right size moon is necessary for life to flourish. Position is everything. Jupiter protects us from asteroids.

It really isn't clear that we need the right size of moon or even other large planets. That said, Jupiter size planets seem to be quite common. Moons proportional in size to our own seem to be far less likely, though.
 

Terrywoodenpic

Oldest Heretic
There is no evidence either way.
We may never know the answer.
But were we to find out for sure that there were other sentient beings out there
It would spur on our scientific research and development.
And for many different reasons.
Including fear.
 

SalixIncendium

अहं ब्रह्मास्मि
Staff member
Premium Member
I believe all three can be used on the evidence I have.

Then why the hesitation in presenting it? I'm sure many would like to see evidence of "spirit," especially as it relates to evidence of no sentient life other than "spirit" anywhere in the universe.
 

nPeace

Veteran Member
Then why the hesitation in presenting it? I'm sure many would like to see evidence of "spirit," especially as it relates to evidence of no sentient life other than "spirit" anywhere in the universe.
I'm not hesitant. I'm putting something together, as I promised. The reason it will take time is because 1) it's impossible to do so many things at once. 2) I want it to be completed so that I don't have to repeat myself for people who seem to have a hard time seeing more than they want to see.
So, you'll just have to be patient.
 

siti

Well-Known Member
I am pretty sure earth is not the only home of biological life in the universe. I don't know what "sentient" means - except it seems to imply organisms that have a central nervous system and can therefore "sense" or "perceive" things. I'm not sure that's a particularly useful distinction.
 
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Rational Agnostic

Well-Known Member
Please discuss your reason.

Thank you.

I voted "I don't think so, but not sure." I can't believe that in a universe of hundreds of billions of planets that Earth would be the only planet that harbored sentient life forms. Even if God exists, that's a lot of wasted space that he created if Earth is the only planet that harbors life. But of course, I'm not sure. The fact is we don't know how common life is in the universe. There is a slim chance that we're alone, but I highly doubt it.
 

Twilight Hue

Twilight, not bright nor dark, good nor bad.
Please discuss your reason.

Thank you.
Well we are here. It makes it pretty hard to imagine life isn't possible elsewhere.

I think it's the mind-boggling distances between systems that makes it exceedingly hard to comfirm life is going on elsewhere.

It would be cool to see lifeforms in our solar system even if it's microbial in nature.
 

Rational Agnostic

Well-Known Member
By the shear number of galaxies and planets out there. I would say it would be highly unlikely that we are the only one.

I agree. Of course, we have no other statistical references for how common it is for life to emerge. I would also guess that it's at least relatively common, but it may be extremely rare.
 

Quintessence

Consults with Trees
Staff member
Premium Member
I am pretty sure earth is not the only home of biological life in the universe. I don't know what "sentient" means - except it seems to imply organisms that have a central nervous system and can therefore "sense" or "perceive" things. I'm not sure that's a particularly useful distinction.

I don't find it especially useful either. Humans are very fussy about recognizing non-human organisms as sentient on this planet, never mind them having the humility to acknowledge the virtually guaranteed probability of them existing elsewhere in the universe.

At any rate, the idea of humans being "alone" in the universe is just silly to me. We already share this planet with millions upon millions of other persons, only a handful of whom are human. I suppose that's a benefit of having an ecologist's outlook and an animistic perspective. Lonliness becomes an absurd impossibility when you regard the land, sea, sky, and everything in it as persons to be related to.
 

SalixIncendium

अहं ब्रह्मास्मि
Staff member
Premium Member
Humans are very fussy about recognizing non-human organisms as sentient on this planet, never mind them having the humility to acknowledge the virtually guaranteed probability of them existing elsewhere in the universe.

^^^^
THIS
 

Polymath257

Think & Care
Staff member
Premium Member
I don't find it especially useful either. Humans are very fussy about recognizing non-human organisms as sentient on this planet, never mind them having the humility to acknowledge the virtually guaranteed probability of them existing elsewhere in the universe.


I strongly agree with this.


At any rate, the idea of humans being "alone" in the universe is just silly to me. We already share this planet with millions upon millions of other persons, only a handful of whom are human. I suppose that's a benefit of having an ecologist's outlook and an animistic perspective. Lonliness becomes an absurd impossibility when you regard the land, sea, sky, and everything in it as persons to be related to.

I do think it interesting whether there is life off this one small planet orbiting a rather nondescript star in a largish spiral galaxy. If all life in the universe is packed onto this one small marble, that would be remarkable.
 

Shadow Wolf

Certified People sTabber & Business Owner
The most I'm willing to lean either way on the subject is say I would be more surprised to learn we are alone than that there is life out there somewhere. And even with that I am forced to admit it is a position based on speculation and not upon evidence.
 
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