var addthis_config = {"data_track_clickback":true};

There's a prosaic explanation for at least some of the weirdness of "Tabby's star," it would appear. The bizarre long-term dimming of Tabby's star — also known as

By Mike Wall Space.com 10-4-17

Boyajian's star, or, more formally, KIC 8462852 — is likely caused by dust, not a giant network of solar panels or any other "megastructure" built by advanced aliens, a new study suggests.

Astronomers came to this conclusion after noticing that this dimming was more pronounced in ultraviolet (UV) than infrared light. Any object bigger than a dust grain would cause uniform dimming across all wavelengths, study team members said.
Read more »