“Strange Objects Found at The Galactic Center are Like Nothing Else in The Milky Way”.(see Science alert) Or in Nature: "A population of dust-enshrouded objects orbiting the Galactic black hole" Q-FFF Theory says:
These objects are the result of former Herbig Haro systems left by their dual bowshock black holes , (eaten by Sagr A) leaving filaments with- or wihout aplasma balls (former jets) behind.