The Naked Scientists

The Naked Scientists Forum

Author Topic: The "WOW" Signal  (Read 9010 times)

Offline Alan McDougall

  • Neilep Level Member
  • ******
  • Posts: 1285
  • Thanked: 14 times
    • View Profile
The "WOW" Signal
« on: 17/11/2008 17:32:39 »
Hi,
9 The Wow signal

IT WAS 37 seconds long and came from outer space. On 15 August 1977 it caused astronomer Jerry Ehman, then of Ohio State University in Columbus, to scrawl "Wow!" on the printout from Big Ear, Ohio State's radio telescope in Delaware. And 28 years later no one knows what created the signal. "I am still waiting for a definitive explanation that makes sense," Ehman says.

Coming from the direction of Sagittarius, the pulse of radiation was confined to a narrow range of radio frequencies around 1420 megahertz. This frequency is in a part of the radio spectrum in which all transmissions are prohibited by international agreement. Natural sources of radiation, such as the thermal emissions from planets, usually cover a much broader sweep of frequencies. So what caused it?



 

Offline Soul Surfer

  • Neilep Level Member
  • ******
  • Posts: 3345
  • keep banging the rocks together
    • View Profile
    • ian kimber's web workspace
The "WOW" Signal
« Reply #1 on: 17/11/2008 19:44:22 »
The only solution of this problem is to keep listening and analysing the results in more sophisticated ways and accept that that particular signal my never be fully explained.  Becoming obsessed with one possibly positive result is silly.
 

Offline syhprum

  • Neilep Level Member
  • ******
  • Posts: 3823
  • Thanked: 19 times
    • View Profile
The "WOW" Signal
« Reply #2 on: 24/11/2008 08:00:32 »
There was an ambiguous radio event in the thirties when radio echos were received with a delay of about 20 seconds that has never been adequately explained
 

lyner

  • Guest
The "WOW" Signal
« Reply #3 on: 24/11/2008 10:34:35 »
Any more info about that?
 

Offline syhprum

  • Neilep Level Member
  • ******
  • Posts: 3823
  • Thanked: 19 times
    • View Profile
The "WOW" Signal
« Reply #4 on: 24/11/2008 19:50:16 »
SC
It was first observed in 1927, there are several discussions and possible explanations listed below

             http://heim.ifi.uio.no/~sverre/LDE/
 

lyner

  • Guest
The "WOW" Signal
« Reply #5 on: 24/11/2008 20:38:11 »
That's a good read. Thanks.
 

Offline ukmicky

  • Moderator
  • Neilep Level Member
  • *****
  • Posts: 3011
    • View Profile
    • http://www.space-talk.com/
The "WOW" Signal
« Reply #6 on: 24/11/2008 20:53:22 »
I heard the wow signal was  traced to a faulty microwave oven
 

Offline syhprum

  • Neilep Level Member
  • ******
  • Posts: 3823
  • Thanked: 19 times
    • View Profile
The "WOW" Signal
« Reply #7 on: 24/11/2008 21:18:45 »
That sounds very unlikely, radiation from a microwave oven would have a very strong 50/60 Hz modulation that would be immediately recognised.
 

Offline RD

  • Neilep Level Member
  • ******
  • Posts: 8134
  • Thanked: 53 times
    • View Profile
The "WOW" Signal
« Reply #8 on: 24/11/2008 23:02:54 »
Possibly the same processes which create Gamma Ray bursts...

Quote
Gamma-ray bursts (GRBs) are the most luminous electromagnetic events occurring in the universe since the Big Bang. They are flashes of gamma rays emanating from seemingly random places in deep space at random times. The duration of a gamma-ray burst is typically a few seconds, but can range from a few milliseconds to several minutes, and the initial burst is usually followed by a longer-lived "afterglow" emitting at longer wavelengths (X-ray, ultraviolet, optical, infrared, and radio).

http://en.wikipedia.org/wiki/Gamma_ray_burst

 
« Last Edit: 24/11/2008 23:12:06 by RD »
 

Offline Alan McDougall

  • Neilep Level Member
  • ******
  • Posts: 1285
  • Thanked: 14 times
    • View Profile
The "WOW" Signal
« Reply #9 on: 25/11/2008 13:20:10 »
Well the proof that the is definitely highly intelligent life out in the universe is  that no one has visited us ;)  ;D

Alan
 

Offline Bikerman

  • Sr. Member
  • ****
  • Posts: 119
    • View Profile
The "WOW" Signal
« Reply #10 on: 25/11/2008 13:25:33 »
That argument works both ways. If one is to believe the 'abduction victims' in the US then it would also appear that there is no intelligent life out there, because only REALLY dumb aliens would want to stick probes up those dingbats. ;D
 

lyner

  • Guest
The "WOW" Signal
« Reply #11 on: 25/11/2008 17:13:50 »
1927. microwave ovens?
 

Offline DoctorBeaver

  • Naked Science Forum GOD!
  • *******
  • Posts: 12656
  • Thanked: 3 times
  • A stitch in time would have confused Einstein.
    • View Profile
The "WOW" Signal
« Reply #12 on: 25/11/2008 17:17:03 »
1927. microwave ovens?

They fell off the alien spaceship  :D

In any case, the signal referred to as the WOW signal was in 1977, well after the 1st microwave oven was built.

from http://www.blurtit.com/q259288.html

Quote
On 8th October, 1945, Percy Spencer invented the microwave with building magnetrons for radar sets. It was the item when he was working on an active radar set and at the point of time there was an ice cream in his pocket which began to melt. It was due to the microwaves that the ice cream melted. So the company built the first microwave in the year 1947 and named it Radarange. This microwave was 6 feet tall (1.8m) and it weighed almost 340 kgs (750 pounds). It was water-cooled and created 3000 watts, which is about three times the sum of energy produced by microwave ovens today.

With this invention the first thing that was cooked in the microwave was popcorn and the second was an egg.

What kind of idiot would put an ice-cream in his pocket!?
« Last Edit: 25/11/2008 17:21:36 by DoctorBeaver »
 

lyner

  • Guest
The "WOW" Signal
« Reply #13 on: 25/11/2008 22:31:19 »
I got the 1927 from Syphrum's post.
But then there's the issue of the raw AC modulated RF somehow announcing its terrestrial origin.
 

The Naked Scientists Forum

The "WOW" Signal
« Reply #13 on: 25/11/2008 22:31:19 »

 

SMF 2.0.10 | SMF © 2015, Simple Machines
SMFAds for Free Forums