A feature resembling a candy cane appears at the center of this colorful composite image of our Milky Way galaxy’s central zone. But this is no cosmic confection. It spans 190 light-years and is one of a set of long, thin strands of ionized gas called filaments that emit radio waves.
Source:
https://phys.org/news/2019-12-gismo-instrument-milky-cosmic-candy.html