The Kepler space telescope has discovered a most unusual star in its search for exoplanets a long time, but erratic dimming of the light, – up to 20% dimming, which is *a lot*, over a longer period.
There are several hypotheses investigated, including a swarm of comets, or …. just maybe …. a structure built by an alien civilization.
Now, I remember the buzz a few decades ago, when the first pulsars were detected, and some thought the precision of the pulses had to be artificial but – as it turned out – it was a natural phenomenon of a fast rotating neutron star.
I would not jump to the alien conclusion before every other hypothesis has been thoroughly investigated. It could, however become very exciting if all the “natural” hypotheses would have to be discounted …
The article can be found here :