Tabby's Star Dims Once Again, Reigniting Alien Theories

According to Boyajian the dip was at 2 percent as of Friday morning and it ‘looks like it’s the start.’ This will offer scientists an extraordinary chance to measure the light from Tabby’s Star officially called KIC 8462852 in efforts to unco

The call went out in the early hours of May 19, with astronomers from the Fairborn Observatory announcing that the star's unusual fluctuations had begun again.

"The KIC 8462852 light curve from 1890 to 1989 shows a highly significant secular trend in fading over 100 years, with this being completely unprecedented for any F-type main sequence star", writes astronomer Bradley Schaefer.

Researchers previously theorized that bright lights orbiting a star could indicate technological inventions made by space civilizations - perhaps aliens build these machines to harness energy from the stars, for example.

When freaky astronomical events happen, scientists are very wary of calling alien interference and instead look for every possible explanation before they explore the extra-terrestrial avenue. It was 3% dimmer than its normal brightness on 19 and 20 May and is now moving back toward normal. Tabby's star randomly dims and brightens for apparently no reason, which led some astronomers in 2015 to hypothesize that some sort of "alien megastructure" was orbiting the star, occasionally blocking the light.

She has been posting recording of the star's dimming over the past few days with great excitement. Astronomers have been puzzling over the seemingly random dips in brightness from Tabby's star, and one of the explanations put forward is that aliens have built massive structures in orbit. One star, KIC 8462852, behaved like no other. That's what Tabby's star does - it dims. If there is gas in that dust, that gas should absorb very specific wavelengths and we should be able to see that. As the research and observations continue, scientists around the globe are hoping that spectral readings will give them a clue as to what, if anything, passed in front of the star.

Associate Professor Wright said that they need to have a team of people from other countries in the world that are ready to monitor and observe it. This can be a challenge due to the way that telescope time is proportioned.

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That's a big deal, because it means scientists can target the star with a number of telescopes that operate at a variety of ranges across the light spectrum.

Last year SETI (Search for Extraterrestrial life Institute) announced it was going to focus on the star in a bid to get to the bottom of the mystery.

KIC 8462852, also known as Tabby's Star was originally discovered in 2009. "There's a palpable tension". At one point, the star lost almost a quarter of its radiance, an inexplicable event that earned it the "alien megastructure" name.

Breakthrough and the Berkeley center are now trying to get some observing time on the Green Bank radio telescope in West Virginia, according to Siemion.

The star is named after astronomer Tabetha Boyajian who first reported on the star's seemingly odd behaviour after analysing data from the Hubble Telescope.

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