[kbenson]

I posted that after viewing this[1] from the article. I would say there's quite a bit more there going on that gives me the heebie jeebies than just radial lines that move.

1: https://static01.nyt.com/images/2018/02/06/science/06OBS-ARA...

[sevenfive]

Maybe.. radial lines with sharp angles? Whatever it is, it has to be a fairly simple combination of geometric primitives.