These mysterious structures likely originated a few million years ago when an outflow from Sagittarius A* — a supermassive black hole in the center of our Milky Way Galaxy — interacted with surrounding material. Color-coded position angles for all short and long radio filaments identified in the center of the Milky Way. Image credit: Yusef-Zadeh et al., doi: 10.3847/2041-8213/acd54b. “It was a surprise to suddenly find a new population...
