The newly-discovered black hole resides in the binary system Gaia DR3 4373465352415301632 with a main-sequence star that is slightly smaller than the Sun. It is closer to the Sun than any other known black hole, at a distance of 1,550 light-years. This image shows the location of the binary system Gaia DR3 4373465352415301632. Image credit: Sloan Digital Sky Survey / Chakrabart et al. “Simple stellar population calculations suggest that stellar...