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Originally posted by gortex
He said: "Magnetars can give off more energy in a millisecond than our sun does in 300,000 years and are a leading candidate for the burst."
Originally posted by woogleuk
Naturally occurring radio waves from things such as pulsars most likely, highly doubtful they are from any advanced civilisation (unless it turns out they are picking up our own radio transmissions being reflected back from a nearby source).
Even if there is intelligent life out there, I doubt it existed 11 billion years ago.
Interesting story though
I imagine that using intereference pattern analysis over a significant period on these powerful radio sources, will allow scientists to figure out interesting things about the intervening space.
Perhaps even create a rough radio map of that area of space, with any areas of interest being those which, presumably have reflected or absorbed the waves, rather than allowing them to pass, therefore creating anomalies in the recorded data.
So rather than looking for interesting radio waves, they will end up looking for holes in the signal which might indicate a mass between us, and the origin point.
Originally posted by Cuervo
The universe is estimated to be 13 billion years old. Are you saying 2 billion years is not long enough for a species to discover radio signals?
Originally posted by intrptr
reply to post by mohan168
Thanks for bringing it. From your link:
the origin of these explosive bursts may be from magnetic neutron stars, known as 'magnetars'. He said: "Magnetars can give off more energy in a millisecond than our sun does in 300,000 years and are a leading candidate for the burst."
The article states that they happen too fast to capture in other spectrums. Thats interesting. Usually very large explosions in space take a while to develop. Wonder what can be so powerful as to generate that strong of a radio "shock wave" that we can still detect it 10 billion years later and at the same time so short a duration or "pulse"?
Did I read that correctly, 1/10th of an eye blink?
Thats what makes it mysterious to the astronomers. As yet un-specified phenomenon.
In a galaxy a long time ago and far, far away...edit on 5-7-2013 by intrptr because: spelling
Originally posted by soulpowertothendegree
reply to post by woogleuk
The Universe is 400 billion years old, the problem is Earth did not exist 11 billion years ago, so the signal is not directed at us specifically, but rather someone forgot where they parked their spaceship and they sounded the alarm to try and find it.
Originally posted by SloAnPainful
reply to post by Cuervo
If that's the case they would be or have been one of the oldest species in the universe to have found radio technology within 2 billion years. Based on what we know about evolution here, is that it tooks us a very, very long time to get to the state we are in now. Not only would these "ETs" be old but they would also be super advanced.
I'm not saying it's not possible because technically speaking anything could evolve anywhere, but it's just seems highly unlikely for a race to be that advanced and be that young...
Wonder what can be so powerful as to generate that strong of a radio "shock wave" that we can still detect it 10 billion years later and at the same time so short a duration or "pulse"?
Something like a pulsar with an extremely fast rotation might produce such a phenomena. That basically means that it's "day" (rotational period) is 1/10th of an eyeblink.