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Radio silence

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Len of the Chilterns

Len of the Chilterns Report 2 Feb 2010 23:03

A special meeting on the search for extraterrestrial intelligence (Seti) has warned that we are making ourselves invisible to alien life forms that may be on the search for TV and radio signals being beamed into space.

With the onward march of technology and Britain’s switch from analogue to digital, our communications are becoming increasingly satellite based. In the past we used huge ground stations that beamed signals at thousands of watts into the atmosphere, but now we use satellites that beam down towards the Earth at around 75 watts.

The assumption is that aliens are looking out for interstellar signals in the same way that we are looking out for theirs, so with an increasing radio silence due to our own efficiency we are reducing the chances of being found.

"The trouble is that we are making ourselves more and more difficult to be heard," said Dr Drake, the world’s foremost expert on the search for alien life . "We are broadcasting in much more efficient ways today and are making our signals fainter and fainter." The Guardian.


It's also an assumption that aliens would want to listen.

MargarettawasMargot

MargarettawasMargot Report 3 Feb 2010 00:26

I don't think I would worry too much,Len-they seem to be able to find us anyway.Their technology is far superior to ours-light years ahead.

Margot.

PS I will PM you.

Researching:
Malcolm-Prestonkirk, Scotland. Ivey,Williams,Preston, Barlow,Mills, King, Rea,Cottingham,Hollinshead,England.Griffin, O'Keefe,McManus, Trainor,Fleming,Smith, Clark/e,Ireland.

Lindsey*

Lindsey* Report 3 Feb 2010 00:37

wraps head in tin foil......................ah that's better !

Researching:
For better results please give all the details ,name, date place as you can {pictures by me }