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Heisman Winner [119597]
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Re/ Aliens on earth
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Jun 6, 2023, 8:00 AM
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Drake’s equation says highly likely that alien civilizations have existed in other parts of galaxy/universe. Highly UNLIKELY we would ever intersect with them.
The universe is more than 13 billion years old,” said Sullivan. “That means that even if there have been a thousand civilizations in our own galaxy, if they live only as long as we have been around—roughly ten thousand years—then all of them are likely already extinct. And others won’t evolve until we are long gone. For us to have much chance of success in finding another "contemporary" active technological civilization, on average they must last much longer than our present lifetime.”
“Given the vast distances between stars and the fixed speed of light we might never really be able to have a conversation with another civilization anyway,” said Frank. “If they were 20,000 light years away then every exchange would take 40,000 years to go back and forth.”
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Oculus Spirit [85166]
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Oculus Spirit [79182]
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well now I'm going down a rabbit hole***
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Jun 6, 2023, 9:42 AM
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Heisman Winner [119597]
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But the presence of FBcooch may prove otherwise
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Jun 6, 2023, 8:01 AM
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😅
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Heisman Winner [135504]
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Are you saying that aliens came to this planet in a
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Jun 6, 2023, 9:28 AM
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spaceship made of pallets?
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All-In [30190]
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CU Medallion [56005]
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Hall of Famer [21888]
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I'm on board with the theory
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Jun 6, 2023, 9:39 AM
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that aliens became interested with us as soon as we started harnessing nuclear power for bombs.
Depending on your understanding of the possibility of other dimensions, very plausible that advanced species would have the capability of mapping out where in galaxies and/or potentially even the universe an atom split given the amount of energy that's given off.
Drake's equation is purely based on probabilities. However, if a handful exist, and they appear to be visiting us, then that's ultimately all it would take. And there has to be an ability to bend space and time to mitigate the travel concerns, or, to your point, they'd never be able to make it here.
So to clarify, based on our understanding of physics today, communication between two starts 20k light years away would be 40k years. For others it could be minutes. But then what would a minute be in that scenario?
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Oculus Spirit [85166]
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BOAISY***
Jun 6, 2023, 9:46 AM
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All-TigerNet [11244]
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All-In [47795]
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All-In [40875]
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we have only been broadcasting
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Jun 6, 2023, 12:45 PM
[ in reply to I'm on board with the theory ] |
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For about 100 years. So a hundred lightyear circle around us is all that could know we are here. The milkyway is 100 thousand lightyears across. So our circle of broadcasting is tiny one onethousandths of the distance in all directions.
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CU Medallion [65983]
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Dude, everyone hates the Drake
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Jun 6, 2023, 9:54 AM
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right tdrake® ?
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CU Medallion [55664]
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Well, The Good Book of Jesus says otherwise.
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Jun 6, 2023, 10:47 AM
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I'm betting that we are alone.
And that my great great great great great-ish grandiddy or so was Adam.
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Heisman Winner [119597]
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I agree, APM
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Jun 6, 2023, 10:51 AM
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At least in the timeline of humanity, most likely much longer than that…
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CU Medallion [56005]
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Hall of Famer [21888]
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plot twist
Jun 6, 2023, 3:22 PM
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Jesus was an alien...
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Oculus Spirit [93618]
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I understand that knowledge doubles every 25 years.
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Jun 6, 2023, 10:51 AM
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Perhaps it's a little early to claim absolutes.
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Associate AD [828]
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Re: Re/ Aliens on earth
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Jun 6, 2023, 12:43 PM
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I certainly think there is intelligent life "out there," but I do not think it has come "here."
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110%er [7090]
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Re: Re/ Aliens on earth
Jun 6, 2023, 1:43 PM
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The probability of a “contemporary” active alien civilization is impossibly remote.
Million+ light year away (long extinct) technologically superior alien civilizations? Maybe not as rare as many would think. Their ‘hard goods’ could reasonably survive indefinitely in a void-like environment for many millennia.
Does that make it likely that such alien ‘hard goods’ would make it to the earth? No no no.
Possible (even if remotely so)? Sure.
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All-In [48963]
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maybe
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Jun 6, 2023, 1:47 PM
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Hall of Famer [20569]
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Watch S3, E2 of Unsolved Mysteries currently
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Jun 6, 2023, 2:22 PM
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on Netflix. Pretty compelling.
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Oculus Spirit [85166]
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Hall of Famer [20569]
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If I was currently eating
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Jun 6, 2023, 2:43 PM
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harry poop... that would have disgusted me.
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Oculus Spirit [85166]
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I think the first one was an owl because it had
Jun 6, 2023, 2:55 PM
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a "splat" effect on the outside and the second was likely a coyote.
For some reason they decided to ship in the same place only days apart.
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Lot o points [163010]
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Drake did not take into account time travelers
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Jun 6, 2023, 2:34 PM
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or 'beam me up, Scotty' technology.
Let's get real here.
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Oculus Spirit [85166]
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But obviously you can only go back in time to when time
Jun 6, 2023, 2:35 PM
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travel was invented and since it has not yet been invented there are no travelers of time.
Duh.
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Replies: 26
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