Q: What’s the deal with that star that was giving off weird light signals? People on the news were suggesting it might be the work of aliens. Seriously? If so, what are the implications for humanity? — James Praderas, Bellevue, Wash.
A: The star known as KIC 8462852 does have an unusual light pattern, meaning something odd probably orbits it. Right now, we don’t know more than that. Speculation includes a comet swarm or a giant cloud of dust or gas. One other possibility has also captured the media’s attention: The star could host a gigantic alien structure.
And this explanation is actually being taken seriously — sort of — by scientists. A study published in December announced SETI scientists had searched the system for laser signals, but they had found none. Still, some remain hopeful of finding other signs of intelligence.
What if astronomers were to find strong evidence ...
