https://www.vice.com/en_us/article/y3mvwb/astronomers-find-more-unusual-objects-next-to-milky-ways-black-hole

Astronomers have discovered a group of mysterious, dust-enshrouded objects orbiting extremely close to Sagittarius A*, the supermassive black hole at the center of our galaxy.

Though the nature of the “unusual objects” is still unclear, scientists think they are probably mergers of stars pushed together by the extraordinary force of the black hole, according to a study published on Wednesday in Nature.