A nearby dwarf galaxy could teach astrophysicists something new about dark matter and black holes. It’s named Segue 1 and it’s about 75,000 light years away. Segue 1 is one of the Milky Way’s smallest and dimmest satellite galaxies. It…

A nearby dwarf galaxy could teach astrophysicists something new about dark matter and black holes. It’s named Segue 1 and it’s about 75,000 light years away. Segue 1 is one of the Milky Way’s smallest and dimmest satellite galaxies. It…