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#3 2007-04-01 Communicating with extra terrestrial life
It is useless to try to intercept radio messages from
intelligent extraterrestrial life forms in outer space in order to establish
their existence. Why? Simply because it is a completely
impractical way to communicate over distances of hundreds or
thousands or even hundreds of thousands light years away, using
radio communication the way we know it today.
An alien life
form, intelligent enough to try to communicate with us, knows
this and doesn't even try to do it.
Think about it, radio signals used for communication has
existed for about 150 years here on Earth. This is a very
efficient way to communicate over relatively short distances.
For light year distances, something else has to be used.
Something that we haven't discovered yet. Just because we use
radio communication as the best method today doesn't mean that
there will be other, even better methods, discovered tomorrow.
Intelligent aliens wouldn't try to use smoke signals, would they? No, they
will use something that they use themselves to communicate
between solar systems - and this isn't radio signals.
Even if it takes a couple of hundred years until we can come
up with something better than radio waves, it would still only
be for a few centuries that we have used radio waves for
communication and that isn't long in a universal perspective.
So what if there is no better way than radio waves? Well,
then why bother at all?
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