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Extraterrestrial

What if ET isn't using radio signals ?

By T.K. Randall
June 22, 2010 · Comment icon 32 comments

Image Credit: Andrew Howard
For years astronomers have listened for intelligent radio signals coming from space but what if ET isn't using radio ?
Its a fundamental flaw in the concept of listening out for signals from an intelligent extraterrestrial race there's no guarantee that even if aliens are sending signals in our direction that we are going to be able to pick them up.
To date, SETI (Search for ExtraTerrestrial Intelligence) has focused on ETs who 'phone home' using the radio part of the electromagnetic spectrum, and even a very small region within that.


Source: Universe Today | Comments (32)




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Comment icon #23 Posted by DONTEATUS 14 years ago
How do you know? Why not? Can you explain to me why not, please? And in the same breath, can you explain to me the technology that ET uses to communicate? Please see above. I somewhat agree. We might not be able to decipher a given picture, but we will still recognize it as a picture and thus of artificial origin, none of which has been positively identified as yet. Cheers, Badeskov I think they should send back a TRS-80 ! That ought to Get someones Eye!
Comment icon #24 Posted by the joker 14 years ago
Its almost a 1 percent chance that if there are "aliens" that they would be in the same era using the same technology as we do.
Comment icon #25 Posted by DONTEATUS 14 years ago
I think ET is yanking our Chain! They watch us Listen to Us,and Laugh about us! Then THey Eat us!
Comment icon #26 Posted by Sardukar 14 years ago
Its almost a 1 percent chance that if there are "aliens" that they would be in the same era using the same technology as we do. you see that doesnt matter at all, were not trying to communicated with other civilizations in real time. Instead were trying to have conversations that might take thousands of years. A signal we pick up might be thousands of years old and they might have jumped from type 1 to type 2 or 3 by the time we get it.
Comment icon #27 Posted by badeskov 14 years ago
I think they should send back a TRS-80 ! That ought to Get someones Eye! Cheers, Badeskov
Comment icon #28 Posted by mcrom901 14 years ago
an interesting article regarding the subject.... LINK “We are very conservative at SETI,” Drake says. “We assume in our searches the existence of only things we ourselves have and know how to make.” kaku says it best imho....
Comment icon #29 Posted by DONTEATUS 14 years ago
an interesting article regarding the subject.... LINK kaku says it best imho.... Good one mcrom901 ! Maybe they need to Try " B-R-549" Now that will test your research skills.
Comment icon #30 Posted by mcrom901 14 years ago
Good one mcrom901 ! Maybe they need to Try " B-R-549" Now that will test your research skills. http://www.youtube.com/watch?v=FeDX6ESys10 i c sum pink shirts n your new ftl smoker here.... http://community-2.webtv.net/ValSpegeln/CLOSEENCOUNTERSNEWS/page2.html
Comment icon #31 Posted by DONTEATUS 14 years ago
http://www.youtube.com/watch?v=FeDX6ESys10 i c sum pink shirts n your new ftl smoker here.... http://community-2.webtv.net/ValSpegeln/CLOSEENCOUNTERSNEWS/page2.html My friend Your on the Top of my Goto List now! No more Gloom,Despare ,and Constant misery!
Comment icon #32 Posted by Sylent Nyte 14 years ago
Might I propose that it isn't the other civilization that is the problem; we as a species are extremely anthropomorphic and whether its through instinct or ignorance, we project our own concepts, expectations and ideas upon what we expect to exist, and expect it/them to act accordingly. If something out there actually has the capacity to move through space, are we going to insist that they have followed the same path as us when it comes to scientific study? Are we even sure that our take on science is the most effective one there is? How efficient is our science? How effective is our engineeri... [More]


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