Life Out There?

[chickenstrip]

https://www.space.com/29990-stephen-hawking-intelligent-alien-life-initiative.html

That's a lot of money being spent. Does it really matter whether there is or not any other life out there? How does it affect us? I can see how we would want to increase our knowledge, but just how important is this?
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THERE'S MILLIONS OF CHICKENSTRIPS OUT THERE!

[BigShow]

Might help prove religion wrong which can only be a good thing.

[hellkat]

Also :

[Rogerborg]

[oldpink]

I've been part of SETI for over 12 years, I have software that processes date looking for signals
this is a ramp up of the current system with better data and a wider range of the sky to scan

personally I think there is life out there and possibly lots of it
whether we can communicate with it is a different matter
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Theory & hazard 24-may 2016, CBT 8th June 2016, MOD 1 2nd Aug 2016 Mod 2 2nd-Nov 2016 - Current bike CBR 600 RR

[hellkat]

[dydey90]

I remember reading a theory by Stephen Hawking that basically said we need to stay still and quiet, because we're in trouble if something comes to us. Throughout human history, the less advanced civilisation has always been dominated upon discovery. If another species has the ability to travel to our planet, that defines them as more advanced.
Let's just hope for more Vulcan and less Borg.
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[Sabs]

I think it's fascinating.

There are suns out there a billion years older than our sun so why not? There's billions of planets like Earth in our galaxy and there's over a hundred billion galaxies out there.

And that's just the known expanse of space.

Did you know you can fit over 1 million Earth's in the Sun? WOW!!

How can you not be interested in this stuff!
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[Islander]

[Rogerborg]

Oh, it's unlikely that any particular planet will produce an expansive starfaring species, but it. Only. Takes. One. Ever.

A billion years is nothing cosmologically: there are multiple generations of stars already out there.

Why Earth hasn't been colonised by the bug-eyes is a fairly cuckoo-bananas thing to be concerned about, but on the other hand it's literally a bet-the-species issue.

Based on our current sample-set it looks we should expect the most aggressive, selfish and destructive species to dominate.

That leads to couple of suppositions. One, that any species that's both aggressive and technological enough to expand and colonise will nuke or consume itself out of existence while all of its eggs are in one basket.

The other is that sooner or later every species make self replicating machines and they do an even better job of it. Crush, kill, destroy.

But in either case you're still left with that issue that you only needed one exception, ever, and BAM, it's bug-eyed monoculture.

However if one lot of bug-eyes (again: ever) make self replicating machines capable of space travel then you get Berserkers (only without the dramatically convenient weaknesses). And that really is all she wrote for us ugly-bags-of-mostly-water, anywhere in the galaxy.

When I'm emperor of the world, I'll broadcast one more signal "LOL, JK, YOLO" then hush up the earth.
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[smegballs]

^^^Ion Drive

Go Orion or go home!!!

[The Wobbly Orange]

As regards intelligent life. We live very early in the stelliferous era so it's not unreasonable to assume that we are one of the first sentient species to evolve. Perhaps we are the ones that will over run the galaxy.
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[Polarbear]

[BigShow]

This is one of those subjects the more I contemplate it the more my mind bends. I can't imagine infinite space being empty apart from us.

If space is infinite then couldn't there be planets/beings out there that are infinitely larger and smaller then us? Our entire observable galaxy could be miniscule in relation to other things out there, and yet to us the planets and stars around us are enormous.

[hellkat]

[oldpink]

[oldpink]

Earth, this picture was taken from 1,000,000 miles away

https://www.astronomy.com/-/media/Images/News%20and%20Observing/News/2015/07/Earth.jpg?mw=1000&mh=800
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Theory & hazard 24-may 2016, CBT 8th June 2016, MOD 1 2nd Aug 2016 Mod 2 2nd-Nov 2016 - Current bike CBR 600 RR

[Fisty]

Bodyguard is proof aliens exist, they are not intelligent.
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[ScaredyCat]

[Rogerborg]

[oldpink]

one of the issues is distance
even IF we receive a message from another civilisation the chances are by the time we get it that civilisation has fallen / become extinct
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Theory & hazard 24-may 2016, CBT 8th June 2016, MOD 1 2nd Aug 2016 Mod 2 2nd-Nov 2016 - Current bike CBR 600 RR

[trevor saxe-coburg-gotha]

Other sentient lifeforms are basically hiding behind the settee 'til we go away. And as soon as we do they'll go upstairs to their bedroom and start playing with that really ace scalextric of theirs. Typical. Summer. Holiday. Alien. Behaviour.
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[nowhere.elysium]

We quite possibly can't pick up on the communications methods used by any sufficiently advanced species out there; a hundred years ago we wouldn't have been able to tap into our own current communication systems, after all. There is also the fact that the means by which we examine the stars are still excruciatingly low-res in the grand scheme of things.

Rogerborg's fatalism is one that I typically agree with on this subject, but to assume that we can't see them because they're hiding, and not because we're under-equipped to see them is just tiny a bit self-aggrandising. We're really not that awesome a species if planetary and stellar engineering is the scale that we're using as a comparison basis.

An interstellar predator species is not even remotely outlandish a concept: it's the same model that we've observed in terrestrial species, so what's to say that the idea can't be scaled up?
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[Rogerborg]

Correction: Royal Astronomical Society reckons just 2 million years to colonise the galaxy at 0.1c with a 1:1 prep/travel ratio (100 year trip 100 years to prepare the next one hundred year trip...).

[hellkat]