Gaia BH1: Earth's Nearest Known Black Hole at 1,600 Light-Years
TL;DR Summary
Astronomers have identified Gaia BH1 as the closest known black hole to Earth (about 1,600 light-years away), detected through the Gaia mission by tracking a Sun-like star’s unusual motion around an unseen 10-solar-mass companion in a wide orbit—an arrangement that challenges standard binary evolution models and raises questions about how such systems form.
Closest black hole to Earth is Gaia BH1, 1,600 lightyears BBC Sky at Night Magazine
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