'Alien megastructure' may come under SETI's radar
Do aliens exist? Astronomers are determined to find the truth behind that question.
Tabby's Star, known as KIC 8462852, is highly speculated to host a highly-advanced civilization that can build so-called "alien megastructures" around its orbit. It has seized the imagination of space-loving fans and astronomers for about a year. UC Berkeley's Breakthrough Listen initiative recently received USD 100 million from billionaire investor Yuri Milner, which should be good for 10 years.
The fact that Tabby's Star has been found to have been acting astoundingly weird - with its 22% decrease in luminosity at random intervals, and that its total light has also been shrinking slowly over time, led astronomers to become puzzled over different sets of possible scenarios.
First, it could be that Tabby's Star has been congested by a swarm of comets. Second, it's also possible that the star is covered by several remains of what once to be a planet. Third, maybe the light output of Tabby's Star is dipping because there is a process of advanced civilization constructing an enormous artificial solar array to strap up the star's energy.
The team of Andrew Siemion will be viewing Tabby's Star for three nights next month using the Green Bank Observatory in West Virginia. Siemion described the observatory's telescope it as the largest fully steerable radio-type on the planet, reported by Space.
Siemion said that they've already deployed new fantastic SETI instruments that can connect with the telescope and use up several gigahertz of bandwidth simultaneously. Billions of different radio channels will be deployed at the same time.
But according to Dan Werthimer, chief scientist at Berkeley, SETI recogizes that the chance of searching the aliens is small. He said: " I don't think it is very likely, a one in a billion chance or maybe like that but, we're going to check it out," Gizmodo reports.
Though there has already been a lot of research conducted on looking for extraterrestrials ending up with the same result, SETI will nonetheless continue in its pioneering approach to looking for life beyond earth.
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