The weirdest star in space is acting weird again. Is it aliens?

Artist’s representation of a crumbling Dyson sphere orbiting KIC 8462852

Danielle Futselaar/METI International

In 2015, astronomers discovered what’s become known as one of the strangest stars seen so far in the universe.

Weird things are happening around KIC 8462852 (aka Tabby’s Star or Boyajian’s Star) once again, sending scientists into a panic to get as many big telescopes trained on it as possible.

What’s weird about the star is that it goes through dramatic and somewhat random periods of getting dimmer from our viewing perspective here on Earth. Stars tend to get dim when things like planets or even huge clouds of dust pass in front of them, but that kind of thing usually happens on a regular schedule, and only accounts for slight amounts of dimming.

But the dimming observed at KIC 8462852 doesn’t fit the usual patterns of planets or a companion star (which it does have, but it’s very distant and can’t explain what astronomers are seeing). To make things weirder, the star has also shown a 15 percent decrease in brightness over the past century.

This week, observations of the star located some 1,400 light-years away showed a potentially major dimming event was beginning to happen again. This sent astronomers like Tabetha Boyajian, who is credited with discovering the star and its odd nature, scrambling on social media and elsewhere to get “eyes” on the system, both human and technological.

Astronomer Jason Wright put out a similar call and took questions via a livestream Friday afternoon about the event. When the star first made headlines, Wright threw out the admittedly far-fetched…

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