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    More: Vintage, SETI, deliberate signal, Extraterrestrial life, half-minute signal, alien chatter, additional months of hard work, alien life, Columbia University astronomer David Kipping  
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1877 clicks; posted to STEM » on 28 Jun 2022 at 9:34 AM (7 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



20 Comments     (+0 »)
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2022-06-28 8:46:21 AM  
I KNEW she wasn't from this planet!

https://youtu.be/0ar7vovnH5I
 
2022-06-28 8:59:26 AM  
On Aug. 15, 1977, an astronomer at Ohio State University

That's THE Ohio State University, lest you get sued.
 
2022-06-28 9:13:44 AM  
72 seconds...highly structured - It was probably two nerdy grad students having sex near the receiver horn.
 
2022-06-28 9:42:07 AM  
Is this the signal that inspired "Contact"?
 
2022-06-28 9:42:52 AM  
His Cool Worlds Channel on Youtube goes into this with the latest episode.
really interesting.
 
2022-06-28 9:52:32 AM  
As soon as TFA claimed Oumuamua was aliens, they lost me.
 
2022-06-28 9:55:56 AM  
MOM, get down from there!
 
2022-06-28 10:00:04 AM  

UberDave: 72 seconds...highly structured - It was probably two nerdy grad students having sex near the receiver horn.


No way. That would not have lasted 72 seconds
 
2022-06-28 10:04:29 AM  
"But one key criterion remains the same: repeatability. It's not enough to overhear an artificially produced signal once. After all, intelligent beings, if they're trying to communicate with each other or us, wouldn't broadcast just one message once, right? They'd probably try again and again, most likely on a regular schedule."

-------


Here's a list from Wikipedia of the messages humans have attempted to send to other stars:
https://en.wikipedia.org/wiki/List_of_interstellar_radio_messages

If you look at these messages, you will notice that although some of them were repeated in rapid sequence for redundancy, none of them (as far as I can tell) were repeated regularly across year timescales.

And yes, if a civilization had its act together and was doing a large, institutional level active SETI program, it probably would be a good idea to repeat the messages regularly, but saying that they're "probably" doing this is a huge assumption.

/ Directive gain and S/N ratio are kind of a biatch
// But they also mean that the whole "Of course aliens know about us from TV broadcasts so why not send messages" line of reasoning is intensely stupid
 
2022-06-28 10:18:46 AM  
One blip is meaningless. Probably caused by someone switching on an electric kettle.
 
2022-06-28 10:40:10 AM  

Russ1642: One blip is meaningless. Probably caused by someone switching on an electric kettle.


You may be referencing the microwave that caused just such confusion...  How a microwave could fool SETI
 
2022-06-28 10:40:41 AM  
If a civilization is reaching out to everyone with their signal, it makes sense that they might be focusing a relatively narrow beam of communication to every point in their sky.  A 72 second sweep that happened to hit Earth would take a long time to be repeated, especially since we are constantly moving and the direction of their beam is also constantly moving, like hitting a bullet with another bullet.
 
2022-06-28 11:03:19 AM  
obviously it hasn't been around again b/c they shined their big galactic flashlight at someone with battlecruisers who invaded them and turned it off.
 
2022-06-28 11:17:44 AM  
Basically, it's scientifically useless. We can speculate all we want, but the only thing we know is that at one particular time, when pointing its antenna at a small area (not a point, an area, in fact because of side lobes two closely spaced areas) this one instrument registered a sharp increase in power received.

That's it. That's all we have, and without something to reconfirm, that's all we'll ever have. The instrument is long gone so we can't rigorously test it to see if it did that on it's own, the antenna is gone so we can't check it for additional beam lines, the site was never secure so maybe a ham walked up to it and keyed up.

We won't know, ever.

But hey, it lets us speculate about nothing, and by god, that's what the internet does best!
 
2022-06-28 11:29:23 AM  
In other words, maybe the Wow! signal repeats, but it doesn't repeat quickly or at predictable intervals. Maybe it's sliding up and down in frequency.

If that were the case, then its appearance at 1420 MHz was sheer coincidence, and not as meaningful as you think.  And if that's the case, then once again it was probably not an intentional broadcast by some alien intelligence.

If it's related to excited hydrogen, then perhaps the frequency burst is the result of some kind of stellar activity.
 
2022-06-28 12:01:28 PM  

Madison_Smiled: I KNEW she wasn't from this planet!

https://youtu.be/0ar7vovnH5I



i.imgflip.comView Full Size


Mouse On Mars - WOW (MTR030 Album Preview)
Youtube KmCMno_PG7A
 
2022-06-28 12:58:06 PM  
th.bing.comView Full Size


Two words to strike terror:
Anal Leakage.
 
2022-06-28 1:41:50 PM  

I hereby demand that I be given a Fark account: Basically, it's scientifically useless. We can speculate all we want, but the only thing we know is that at one particular time, when pointing its antenna at a small area (not a point, an area, in fact because of side lobes two closely spaced areas) this one instrument registered a sharp increase in power received.

That's it. That's all we have, and without something to reconfirm, that's all we'll ever have. The instrument is long gone so we can't rigorously test it to see if it did that on it's own, the antenna is gone so we can't check it for additional beam lines, the site was never secure so maybe a ham walked up to it and keyed up.

We won't know, ever.

But hey, it lets us speculate about nothing, and by god, that's what the internet does best!


If only some article explained this in detail.
 
2022-06-28 1:46:08 PM  
Tiësto - WOW (Official Video)
Youtube Gj0v9IRvujs
 
2022-06-28 4:40:25 PM  

Day_Old_Dutchie: [th.bing.com image 474x262]

Two words to strike terror:
Anal Leakage.


I'll call with "Oily Discharge".
 
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