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 sticky  Author  Topic: Search for Extraterrestrial Intelligence  (Read 16262 times)
john12345
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xx Re: Search for Extraterrestrial Intelligence
« Reply #75 on: Dec 12th, 2008, 5:53pm »

Photos: Searching the heavens for life
http://news.cnet.com/2300-11397_3-6248324-1.html?part=rss&subj=news
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john12345
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xx Re: Search for Extraterrestrial Intelligence
« Reply #76 on: Dec 19th, 2008, 1:42pm »

Ocean-bearing Planets: Looking For Extraterrestrial Life In All The Right Places
http://www.sciencedaily.com/releases/2008/12/081215091011.htm
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xx Re: Search for Extraterrestrial Intelligence
« Reply #77 on: Jan 12th, 2009, 2:10pm »

Looking for ET's Flashlight: Optical SETI
http://www.planetary.org/radio/show/00000323/
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xx Re: Search for Extraterrestrial Intelligence
« Reply #78 on: Jan 20th, 2009, 04:58am »

Russia Proposes Mission to Search for Evidence of Astroengineering
http://www.universetoday.com/2009/01/19/russia-proposes-mission-to-search-for-evidence-of-astroengineering/
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xx Re: Search for Extraterrestrial Intelligence
« Reply #79 on: Feb 25th, 2009, 6:26pm »

S.E.T.I. SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE

What a joke!, Searching for Alien Intelligence , why would they be searching if they are working with them.
These Agencies have a sense of humour. grin
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Greg1958
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xx Re: Search for Extraterrestrial Intelligence
« Reply #80 on: Feb 25th, 2009, 8:24pm »

At the time of the WOW signal I was in the Nationa Museum looking at an antique radio telescope (AKA: crystal boll). All of a sudden the ball started to beep very loud and flashed bright pink light that light up the room. The beeping and flashed increased its pace until it made a long screeching soung like 40 metal chairs being draged accross the room (there were no chairs) and the pink light was continouos. Then the paice started to slow down again until it was gone.

When it first started a man ran around ordering everone out.

Of course you already know there was a UFO seen at the same time.
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xx Re: Search for Extraterrestrial Intelligence
« Reply #81 on: Feb 26th, 2009, 1:41pm »

l found this blog and thought you all may like the read,
http://theboard.byu.edu/index.php?area=viewall&id=50445
l have studied most,if not all, forms of radio communication and find the whole subject fascinating
to say the least.Just think how long we all existed before radio waves were discovered and then used as a form of communication.l often wonder what other forms of communication are there, waiting for us to discover them?
you can bounce a radio signal off the moon back to earth
radio hams do it all the time for fun.it could be that we could easily communicate with other off world civilisations,maybe we are just going about it all the wrong way.
john


"How would you go about attempting to start communication with an alien being with whom you shared no common language? "
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FN20ut
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xx Re: Search for Extraterrestrial Intelligence
« Reply #82 on: Feb 26th, 2009, 3:26pm »

I think that "music" is universal and expresses feelings and emotions. It would probably make a good beginning for communication. I think that was being indicated in the movie "Close Encounters of the 3rd Kind".
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Argus Station -FN20ut
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xx Re: Search for Extraterrestrial Intelligence
« Reply #83 on: Mar 7th, 2009, 9:54pm »

It could be true but I'm sure they already know our language already, I see them on CNN, talking.
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Tearman
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xx Re: Search for Extraterrestrial Intelligence
« Reply #84 on: Apr 12th, 2009, 05:19am »

on Feb 26th, 2009, 3:26pm, FN20ut wrote:
I think that "music" is universal and expresses feelings and emotions. It would probably make a good beginning for communication. I think that was being indicated in the movie "Close Encounters of the 3rd Kind".


from: http://www.dana.org/news/cerebrum/detail.aspx?id=8964
Quote:
In 2004, Ian McDonald, M.D., a British neurologist and amateur classical pianist, experienced a stroke that damaged a fairly small area of his brain. As a result, he temporarily lost his ability to read and play music from a score, as well as to appreciate music emotionally.

Obviously, a person requires certain neural pathways in order to appreciate music. Aliens wouldn't have these kinds of neural pathways because they are not related to us. Music could not be universal becuase what we 'hear' as music is a fabrication within our own heads: it's only an interpretation of stimuli that belongs to humans and possibly some other related animals.

Quote:
Russia Proposes Mission to Search for Evidence of Astroengineering

Very interesting. I was hoping to see a list of kinds of astroengineering feats they might be looking for... other than the dyson sphere.
« Last Edit: Apr 12th, 2009, 05:30am by Tearman » User IP Logged

Upon taking that tentative first step through the open doorway into the unknown--abandon all conventional notions and any pretense of certainty.
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xx Re: Search for Extraterrestrial Intelligence
« Reply #85 on: Apr 23rd, 2009, 5:50pm »

S.E.T.I. is nothing more than a smoke-screen. It's a huge joke that supposedly cost Millions of Dollars to run. What a way to " scam " money from the American people that could be put to far better uses.
I personally believe that ET is out there but we wont find any evidence that they are actually there until they want to be found.
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ABSENCE OF EVIDENCE
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EVIDENCE OF ABSENCE.
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xx Re: Search for Extraterrestrial Intelligence
« Reply #86 on: Oct 6th, 2009, 10:04am »

i download the seti@home program few years ago. i really like to help them and to find aliens signals from space. until now didnt found a high signal and it made my computer going slow.....
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xx Re: Search for Extraterrestrial Intelligence
« Reply #87 on: Oct 6th, 2009, 7:31pm »

on Oct 6th, 2009, 10:04am, cryptoufo wrote:
i download the seti@home program few years ago. i really like to help them and to find aliens signals from space. until now didnt found a high signal and it made my computer going slow.....


I live not far from the S.E.T.I. array. It's never impressed me much. I don't think that is how aliens can/do/will contact the human race wink
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xx Re: Search for Extraterrestrial Intelligence
« Reply #88 on: Mar 18th, 2010, 6:57pm »

Ufo Videos Document Evidence Of Strange Crafts, Also Sighted By Previous Presidents
http://www.wwseti.us/126/ufo-videos-document-evidence-of-strange-crafts-also-sighted-by-previous-presidents/
courtesy of world wide seti
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xx Re: Search for Extraterrestrial Intelligence
« Reply #89 on: Jul 14th, 2010, 6:02pm »

PhysicsWorld.com

Huge telescope will struggle to find extraterrestrial life


Jul 13, 2010

The largest radio telescope ever to be constructed will struggle to listen in on extra-terrestrial civilizations like our own, according to two astronomers in the UK. Their calculations suggest that when the Square Kilometre Array (SKA) starts work in 2022 it will find it difficult to tune into radio signals from alien civilizations with Earth-like technology. The finding, they say, is further evidence that scientists must take a multidisciplinary approach to the hunt for intelligent life that doesn't just rely on detecting radio signals.

The Search for Extra-Terrestrial Intelligence (SETI) has been patiently eavesdropping on the galaxy for potential alien signals for over 50 years, so far without success. As one of its many scientific objectives, the SKA will join the search in 2022, hoping to answer the age-old question of whether our civilization really is unique.

However, research by Duncan Forgan, at the University of Edinburgh, and Bob Nichol, at the University of Portsmouth, suggest that its chances of finding human-like civilizations are slim: just one in 10 million.

They built a computer model of a mock Milky Way galaxy to see how many intelligent civilizations it could likely support. "We wanted to give as strong as an assessment as we could for using the latest radio telescopes for SETI," Forgan told physicsworld.com. The pair threw into the mixing pot the latest data on, among other things, stellar evolution, planetary system formation and habitable zones – the area around a star warm enough for a planet to have liquid water on its the surface.

10,000 civilizations per galaxy

To calculate the best-case scenario for SKA success, they optimistically assumed that if an Earth like planet sits in the habitable zone it would always go on to host intelligent life. From this they were able to populate the galaxy with intelligent life by assigning stars random properties from a statistical distribution. Having run the model 30 times they found the average galaxy would be home to about 10,000 intelligent civilizations.

"We now have a data set of galactic civilizations over time and space," said Forgan. "But there are factors which can prevent a civilization from being eavesdropped on: the civilization could destroy itself or be extinguished by an asteroid impact. However, more likely is that an advance in technology could make them harder to detect, " he added.

On Earth, we have been leaking radio signals into space for almost a century and any nearby civilization could eavesdrop on our signals. Indeed SKA could detect us if it were placed anywhere up to 100 parsecs – 326 light-years – away. However, as our technology is improving, and the power required to generate such signals is decreasing, we are moving from a "radio loud" to a "radio quiet" planet.

Too old for loud radio

With these factors in mind Forgan and Nichol combined their galactic population findings with the constraints on mass extinction, based on the Earth's fossil record, and the idea that a civilization is only "radio loud" for its first 100 years. They found the chances of radio communication between us and an Earth-like or a short-lived civilization, within the 100 parsec sensitivity limit of the SKA, to be one in 10 million.

However, this finding only applies to civilizations with technology akin to our own; it does not rule out stumbling across signals from a more highly developed civilization.

Read more:
http://physicsworld.com/cws/article/news/43173

IMHO, the odds would be better than that. OK, the ‘scope has a range of 100parsecs (326 light years). OK, advanced civilizations move THROUGH a period of “radio loud” to a condition of “radio quiet”. That does not mean their “loud radio” signals blink out when they switch to “quiet”. Those signals would continue to travel outward. We could conceivably stumble across loud radio signals from a civilization that has been quiet for several hundred years (at least 326). That increases the odds, does it not?
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