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'Alien Megastructure' Star Is at It Again with the Strange Dimming
The perplexing cosmic object known as "Boyajian's star" is once again exhibiting a mysterious pattern of dimming and brightening that scientists have tried to explain with hypotheses ranging from swarms of comets to alien megastructures. Today (May 19), an urgent call went out to scientists around the world to turn as many telescopes as possible toward the star, to try and crack the mystery of its behavior.
Breakthrough Listen will harness two of the world's largest telescopes — the 100-meter (330 feet) Green Bank Telescope in West Virginia and the 64-meter (210 feet) Parkes Telescope in Australia — covering 10 times more of the sky than previous SETI programs, scanning at least five times more of the radio spectrum and doing so 100 times faster. "We will be examining something like 10 billion radio channels simultaneously," planet-hunting pioneer Geoffrey Marcy, an astronomer at the University of California, Berkeley, said at the news conference. "We're listening to a cosmic piano, and every time we listen with the telescopes, we'll be listening not to 88 keys, but 10 billion keys."
originally posted by: swanne
a reply to: Aliensun
The star is dimming, and becoming bright again, but in an erratic fashion. The way I see it, it's not just one body. Which means tghat it is not one giant alien structure. The odds that it's only one body coming at us and blocking the star's light by pure luck is extremely low. Therefore whatever is causing the dimming is in the star's system itself. It could be the star itself, just like the Sun has irregular sunspots, the star could be doing something similar but on steroids. It could be many comets around the stars - if you think about it, a bunch of comets with all different orbital periods would make the dimming seem erratic. It may even be clouds if dust instead of comets. Or both.