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The mystery signal, known as FRB 180916.J0158+65 was first discovered in 2017, but has continued repeating steadily, albeit at a rate some 600 times fainter than the first bright flare. In their study, scientists analysed 28 bursts which took place between September 2018 and October 2019, confirming the pattern, and excitedly concluding “that this is the first detected periodicity of any kind in an FRB source.”
The new FRB was tracked down to SDSS J015800.28+264253.0, a star-forming galaxy about 500 million light years from Earth.
And although the scientists don’t mention it, there’s no ruling out that this could be an alien life-form attempting to make contact with other lifeforms in the galaxy. Human scientists have been fascinated with the concept of using radio waves to try to make contact with extraterrestrial intelligence since the 1890s, and countries have built a number of radio telescopes over the past century to listen out for incoming extraterrestrial radio waves.
In 28 bursts recorded from 16th September 2018 through 30th October 2019, we find that bursts arrive in a 4.0-day phase window, with some cycles showing no bursts, and some showing multiple bursts, within CHIME's limited daily exposure. Our results suggest a mechanism for periodic modulation either of the burst emission itself, or through external amplification or absorption, and disfavour models invoking purely sporadic processes.
originally posted by: PorteurDeMort
I'm going to go with a pulsar, magnetar or some other as yet identified celestial object. And they were sent when Earth was in the pre-cambrian era so it's of little importance now. I still hope we make contact some day but I don't think we're there yet.
originally posted by: Nyiah
As much as I'd love it to be other life out there, it truly probably is just something powerful like a magnetar. 500 million light-years is a long damn ways away, if anything living ever did send the signals, they're long gone by now/long evolved. Whoever we'd meet wouldn't be remotely the same as who first said "YO!" across the vastness.
absent Warp Drive, such a signal would be quite useless
originally posted by: autopat51
ha ha face palm! really? really? you people actually believe we are the only ones here? incredible
originally posted by: autopat51
ha ha face palm! really? really? you people actually believe we are the only ones here? incredible
originally posted by: autopat51
ha ha face palm! really? really? you people actually believe we are the only ones here? incredible
originally posted by: Riffrafter
originally posted by: PorteurDeMort
I'm going to go with a pulsar, magnetar or some other as yet identified celestial object. And they were sent when Earth was in the pre-cambrian era so it's of little importance now. I still hope we make contact some day but I don't think we're there yet.
I don't know of any pulsars or even magnetars that transmit that fast.
These are *fast* bursts - hence the name, I guess.
I think it's very, very cool.
As depicted in the beginning of the movie ‘Contact’, the earth has an expanding ‘bubble’ of man-made radio signals expanding outward at the speed of light. The first of these early radio transmissions were short range experiments that used simple clicks and interrupts to show transmission of information in the 1890s. In 1900, Reginald Fessenden made the first — though incredibly weak — voice transmission over the airwaves. The next year saw a step up in power as Guglielmo Marconi made the first ever transatlantic radio broadcast. This means that at 110 light-years away from earth — the edge of a radio ‘sphere’ which contains many star systems — our very first radio broadcasts are beginning to arrive. At 74 light-years away, television signals are being introduced. Star systems at a distance of 50 light-years are now entering the ‘Twilight Zone’.
originally posted by: Nyiah
As much as I'd love it to be other life out there, 500 million light-years is a long damn ways away, if anything living ever did send the signals, they're long gone by now/long evolved. Whoever we'd meet wouldn't be remotely the same as who first said "YO!" across the vastness.