Strong Signal From A Sun-like Star Sparks Speculations About Alien Life

Posted: Aug 30 2016, 9:10am CDT | by , Updated: Aug 30 2016, 9:57pm CDT, in News | Latest Science News


Strong Signal from a Sun-like Star Sparks Speculations about Alien Life
Credit: SETI Institute

SETI astronomers followed up the signal using Allen Telescope Array (ATA), but so far have found nothing.

A powerful signal from outer space has been detected by a radio telescope located in Russia and astronomers are trying to figure out exactly where it came from.

The signal was actually detected in May last year, but has been examined by an international team of researchers recently. It was suspected that the signal was originated from a sun-like star located 94 light years away from the Earth, sparking the speculations about alien life out there.

“No one is claiming that this is the work of an extraterrestrial civilization, but it is certainly worth further study.” Paul Gilster, author of the Centauri Dreams website which publishes researches on deep space exploration said in a statement.

The star system, named HD 164595, is known to harbor a planet, which is close enough to support life on its surface. This makes the star system an interesting candidate for SETI (Search for Extraterrestrial Investigation).

If an extraterrestrial civilization exists in the star system, it would likely be Type II on the Kardashev scale. The Kardashev scale is a method of measuring the level of technological advancement of a civilization and is based on the amount of energy a civilization utilizes for communication.

“Working on the strength of the signal, the researchers say that if it came from an isotropic beacon, it would be of a power possible only for a Kardashev Type II civilization,” said Gilster, referring to civilization that is more advanced than us.

“If it were a narrow beam signal focused on our Solar System, it would be a power of available to a Kardashev Type I civilization.” That means a civilization with technological advancement similar to what we have here on Earth. 

Recently, SETI Institute have used the Allan Telescope Array in Hat Creek, California in the direction of where the strong signal supposedly came from but detected nothing of substance.

“The chance that this is truly a signal from extraterrestrials is not terribly promising and the discoveries themselves apparently doubt that they’ve found ET. Nonetheless, one should check out all reasonable possibilities, given the importance of the subject.” The website of SETI Institute says.

“This star system is so far away they won’t have yet picked up any TV or radar that would tell them that we’re here.”

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Hira Bashir covers daily affairs around the world.




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