Pictured: the "Big Ears"
Right before midnight on August 15, 1977, Dr. Jerry Ehman detected an unusual radio blast while scanning the stars for possible alien life signs.
The 72-second long signal was detected with a radio telescope known as Big Ears at the Ohio State University Radio Observatory in Delaware. It seemed to be coming from Sagittarius but didn't match with any celestial object.
The signal was so strange and powerful that Ehman circled it on a readout and scribbled "Wow!" next to it.
For years, people pointed to the signal as evidence of aliens.
But Professor Antonio Paris, an astronomer at St Petersburg College in Florida, believes that the signal didn't come from aliens. According to his theory, the signal came from two comets flying near Earth on that day.
After going back through all the records and documents of that night, Professor Paris found that comets 66P/Christensen and P/2008 Y2 were both in the same area where the WOW! Signal was first detected.
The scientist suggests that a thick cloud of hydrogen in the wake of the comets' passing is what triggered this powerful and eerie signal.
To prove his theory, Professor Paris waited for the same comets to fly past Earth again in 2017, as they do every 7 years or so. He noticed that the comets produced the same kind of strong signal as the one detected in 1977, putting an end to the 4 decade-long mystery that perplexed scientists and conspiracy theorists alike.
Professor Paris also pointed out that the comets had only been discovered in 2006, and therefore were not fully accounted for during the original signal emission. But even if it wasn't these same comets, it's highly likely that another comet of similar proportions is the culprit.
Astronomers cannot explain why the mysterious comets produce
such signals. However, they've noticed that the Wow! Signal has a frequency similar to its hydrogen clouds.
Right before midnight on August 15, 1977, Dr. Jerry Ehman detected an unusual radio blast while scanning the stars for possible alien life signs.
The 72-second long signal was detected with a radio telescope known as Big Ears at the Ohio State University Radio Observatory in Delaware. It seemed to be coming from Sagittarius but didn't match with any celestial object.
The signal was so strange and powerful that Ehman circled it on a readout and scribbled "Wow!" next to it.
For years, people pointed to the signal as evidence of aliens.
But Professor Antonio Paris, an astronomer at St Petersburg College in Florida, believes that the signal didn't come from aliens. According to his theory, the signal came from two comets flying near Earth on that day.
After going back through all the records and documents of that night, Professor Paris found that comets 66P/Christensen and P/2008 Y2 were both in the same area where the WOW! Signal was first detected.
The scientist suggests that a thick cloud of hydrogen in the wake of the comets' passing is what triggered this powerful and eerie signal.
To prove his theory, Professor Paris waited for the same comets to fly past Earth again in 2017, as they do every 7 years or so. He noticed that the comets produced the same kind of strong signal as the one detected in 1977, putting an end to the 4 decade-long mystery that perplexed scientists and conspiracy theorists alike.
Professor Paris also pointed out that the comets had only been discovered in 2006, and therefore were not fully accounted for during the original signal emission. But even if it wasn't these same comets, it's highly likely that another comet of similar proportions is the culprit.
Astronomers cannot explain why the mysterious comets produce
such signals. However, they've noticed that the Wow! Signal has a frequency similar to its hydrogen clouds.
- Category
- Unexplained Mysteries
- Tags
- mysterious, unexplained, space
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