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Questions tagged [seti]

Questions about the project "Search for Extra-Terrestrial Intelligence" dedicated to find signals from extraterrestrial life

SETI is short for Search for Extra-Terrestrial Intelligence coordinated by University of Berkely. It included a program that individuals could use on their computers to search for radio signals from worlds with alien life. The project is currently in hibernation.

References

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Non-anthropic, universal units of time for active SETI

Is there a universal time (duration) reference, an intuitive focal point that works for long periods (compared to the Planck time), and can be used as a signal of intelligence? Assuming a Kardashev Type III-level civilization can construct its own…
2080
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What are the negative results of SETI?

What are the negative results of the SETI project? For instance, "there is no intelligent civilization within 50 light years from us which tries to broadcast a message to the solar system, assuming they are as developed as our civilization", or…
user31264
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Wouldn't our own EM emissions be hiding the best places to look for signs of intelligent life?

I read that only a narrow band of radio waves are reserved for astronomical observation, and humans emit all sorts of electromagnetic waves, which leads to my question: Could there be signals of advanced life lost in the chaos of all the other EM…
joeyfb
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Is all of the data from the same program that found the Wow!-signal analyzed?

I just read on Wikipedia that... By 1977, Ehman was working at the SETI project as a volunteer; his job involved analyzing by hand large amounts of data processed by an IBM 1130 computer and recorded on line printer paper. Emphasis mine. From…
pipe
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What was the nature of the signal received from the direction of HD164595?

There's been a story in the news recently of a potential SETI candidate signal received from the vicinity of star HD164595. What's the nature of this signal? Is it a single pulse of energy, or does it change over time? Can someone point me to a…
tomh
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WOW! signal calculation of point source intensity

The WOW! signal's measurement took the average signal strength over 12-second intervals. The average intensity's peak was just over 30-1 signal to noise, meaning that the 12 second interval had an average strength of 30-1. But evidence suggests the…
Dilettanter
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Search of technosignatures (and the reciprocity of SETI)

Here is a link on the concept of "Earth Transit Zone" (the zone of our sky from where an alien civilization, if any of course, would have the best chance to spot planet Earth): https://earthsky.org/space/study-2034-stars-in-earth-transit-zone/ It…
Ng Ph
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What are the prime challenges in search for extraterrestrial intelligence?

What have we been able to accomplish so far and what are the prime obstacles that block our sight? My understanding is that Radio Telescopes are the prime tool for the search. I wonder what kind of challenges the astronomers who work on it are…
Ilya Gazman
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What activities of human beings can be detected by aliens 1000 pc away?

Let's suppose they have similar technical level like us now. In radio band, what is our earth like? What signals can be linked to non-natural behaviour? How about optical band and other methods? Simply: How large a radio-telescope, 1000 pc away,…
questionhang
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What are the steps I have to follow to join a SETI programme from my location (India)?

I just want to know if I can be part of a SETI project. I have gone through the SETI website, but I still didn't get enough guidance. Apart from installing the BOINC software for letting my machine be used as part of SETI, is there another way round…
Rahul Rabhadiya
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Can I pick up alien radio signals from my backyard?

I would like to know please whether or not I can pick up alien radio signals from my backyard.
Alberto
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