There's filament alright [1], but I don't think it is visible on this scale, so it is probably something else. [1]: https://en.wikipedia.org/wiki/Galactic_fila

There's filament alright [1], but I don't think it is visible on this scale, so it is probably something else. [1]: https://en.wikipedia.org/wiki/Galactic_filament https://en.wikipedia.org/wiki/Galactic_filament