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Comets can't explain 'alien structure' star

Posted on Sunday, 17 January, 2016 | Comment icon 280 comments

The cause of the anomalous readings continue to remain a mystery. Image Credit: NASA / Rick Guidice
An astronomical anomaly thought by some to be an 'alien megastructure' has continued to defy explanation.
Originally picked up between the constellations Cygnus and Lyra by the Kepler Space Telescope in 2009, the star known as KIC 8462852 has long proven something of an enigma to astronomers.

Unlike most other planet-hosting stars which exhibit slight periodic dips when their planets pass in front of them, this one seemed to be exhibiting extremely erratic dips indicative of a large, tightly packed assortment of matter in orbit around it.

Back in October, astronomer Jason Wright suggested that this could indicate the presence of a 'megastructure' in space - one built by an advanced alien civilization - an idea that had been previously put forward by SETI in relation to its hunt for signs of intelligent extraterrestrials.

Later reports attempted to play down this idea by suggesting that the anomaly was instead a cloud of comets in orbit around KIC 8462852, but now a renewed research effort has discovered that the star had actually been dimming gradually for over a century - a fact which seems to discount the comet theory and leaves astronomers once again scratching their heads.

"The comet-family idea was reasonably put forth as the best of the proposals, even while acknowledging that they all were a poor lot," said astrophysicist Bradley Schaefer.

"But now we have a refutation of the idea, and indeed, of all published ideas."

Source: New Scientist | Comments (280)

Tags: Star, Extraterrestrial, Megastructure

Recent comments on this story
Comment icon #271 Posted by Merc14 on 10 August, 2016, 3:00
I have no idea what you are saying. There is nothing that this star has to do with our obscure arm of the galaxy and we have no idea what the cause of these odd observations are but the lack of "ships and bones" is probably the most ridiculous thing I have ever read on this forum and that is saying something. Why ITF would a species from nearly 1500 light years away visited this tiny little planet and left "ships and bones"? Who in the real world thinks that ships and bones on this planet is the only proof of life off of this planet? Do you realize how ridiculous you sound?
Comment icon #272 Posted by docyabut2 on 10 August, 2016, 3:06
Who in the real world thinks that ships and bones on this planet is the only proof of life off of this planet? dud:) We have many bones and ships of transportation of humans on this planet .
Comment icon #273 Posted by docyabut2 on 10 August, 2016, 3:08
Comment icon #274 Posted by Merc14 on 10 August, 2016, 3:21
Umm? Sober up mate and report back.
Comment icon #275 Posted by Breez on 10 August, 2016, 3:42
It's a Death Star.
Comment icon #276 Posted by Merc14 on 10 August, 2016, 4:01
Well then I know how to destroy it, There is a small exhaust port....
Comment icon #277 Posted by psyche101 on 10 August, 2016, 4:09
Sorry, but that is nonsense on both counts. For one, yet again for the second time today,KIC 8462852 is estimated to be 454 parsecs away from Earth, The star is showing an unusual dimming pattern and we are speculating as to why that is, one idea put forward is a Dyson Sphere, which is an theoretical artificially structured sphere encompassing a star to capture it' energy. That has absolutely nothing to do with earth, anyone visiting earth, or spaceships on earth. If spaceships are at KIC 8462852 we will not be able to see that, and as far as I know, nobody is claiming otherwise. Aliens are... [More]
Comment icon #278 Posted by ChrLzs on 10 August, 2016, 4:11
Comment icon #279 Posted by psyche101 on 10 August, 2016, 4:12
Entirely possible too,I used to bullseye womp rats in my T-16 back home.
Comment icon #280 Posted by JesseCuster on 10 August, 2016, 17:59
What are you actually talking about? Who said anything about bones or ships as having anything to do with the phenomenon surrounding this star?

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