For decades, the motions of stars near the center of our Milky Way Galaxy have been treated as some of the clearest evidence for a supermassive black hole. But Dr. Valentina Crespi from the Institute of Astrophysics La Plata and colleagues suggest that a radically different kind of compact object — one made of self-gravitating fermionic dark matter — could reproduce the same stellar motions. A compact object made of self-gravitating fermionic...
