This is just something I have been thinking about lately and I would like some input or guidance on the subject. Also note, this is assuming that
they (intelligent life)are not looking for us. Maybe I'm looking at the thing all wrongIf this confuses anyone or makes no sense, please
This is in regards to SETI's practices while looking for radio waves / signatures, Optical SETI
sounds like a winner
I've been thinking about this more and more since I read an article involving our transition to DTV and overall advances in the way we communicate
with each other. Space.com -- Aliens Lose in Switch to Digital TV
. The part
that got me thinking is as follows:
It's not impossible to pick up our DTV broadcasts from your favorite M-class planet, but I reckon it would require antennas at least five times
larger than demanded for good, old analog TV. ET may balk at the additional cost. Of course, this tale becomes more woeful in a few decades, when
high-powered TV broadcasting is replaced entirely – when your favorite reality show enters the living room via cable, optical fiber, or
Already, our methods of transmitting data are improving, as was discussed at length here on ATS:
Australian scientists may have worked out the mystery of teleportation
Now, about SETI:
SETI, the Search for Extraterrestrial Intelligence, is an exploratory science that seeks evidence of life in the universe by looking for some
signature of its technology.
From The Center for SETI Research
Whilst processing all of this (and getting a headache), it made me wonder about a few things.
- SETI is searching for other technological civilizations by detecting radio waves (amongst other things).
- Assuming that other civilizations are just as advanced, or even more than us, their lack of radio waves or other inadvertent signals would be higher
right? They could already be using tech that is foreign to us, thus ensuring, maybe inadvertently, that their radio, or even light signatures stay
within their environment. Again this is assuming that they have made the same strides as us.
- If these civilizations were at one time broadcasting some sort of radio wave during the history of their existence, wouldn't the odds of us
catching it be limited? Considering the amount of time it would take to reach us? Perhaps we have already missed it? Or is SETI planning on continuous
- At the same time, maybe a civilization has had this same thought and quit "listening" for us or "missed" a while back?
I know, some of this might sound nonsensical. Nonetheless it's something that has been on my mind for a while and if someone could give me their
view, that'd be awesome!
[edit on 29-6-2009 by Juston]