Using computer simulations of the black hole systems, the team applied a widely held model in cosmology called the dark matter dynamical friction model, which predicts a specific loss of momentum on objects interacting gravitationally with dark matter.  8 ways we know that black holes really do exist (opens in new tab)9 ideas about black holes that will blow your mind (opens in new tab)The 10 most massive black hole findings from 2022 (opens in new tab)gamma rays, or ripples in space known as gravitational waves.  Milky Way galaxy alone, there are at least 18 binary systems akin to our research subjects, which can provide rich information to help unravel the mystery of dark matter