The alien mega structure controversy is continuing to baffle a lot of scientist and has gripped the internet since 2015. Astronomers have no clue whats causing this bizarre behavior of the star called KIC 8462852 dimming as much as 20 percent now. For almost 4 years, the data showing the dimming pattern has been observed by the Kepler Space Telescope.

The star is located over 1,400 light years from the Earth, and for the first 1,000 days of observation, it's fading at a rate of 0.34% and dropping by 2% for the next 200 days. Most scientist are of the opinion that the alien mega structure could have been responsible for its temporary dimming. According to Popsci, the mystery deepened when astronomer Bradley Schaefer found evidence suggesting the star had also been dimming by about 16 percent each century.

News New Zealand says, due to the interest that was generated by the star, SETI directed its powerful Allen Telescope array to listen if there were lifeforms coming out of this star, but it proved wrong. There is a huge controversy about the alien mega structure, but many smart minds suggested that it might cause due to the larger comet families that pass by across the disk of the star. It may also be the collision between two planetary bodies that creates the passage of debris.

Simon and Montet from Carnegie Institution for Science, and Ben Montet of the California Institute of Technology, focused on an analysis of the light signature of KIC 8462852 as seen in calibration images captured by Kepler over the first three years of its mission. After a close study for years by Kepler which ran from May 2009 to early 2013, comparisons were made to 500 other similar stars and found that the smaller bodies were also experiencing smaller fractions of the dimming experienced by KIC 8462852 over 3 years of their observation.