Astronomers Discover Galaxy's Largest Stellar Black Hole 'Lurking Nearby'
Situated around 2,000 light years away from us, Gaia BH3 is the second-closest known black hole to our home solar system and leagues larger than the previous record-holder, Cygnus X-1, which was 21 times the sun's mass, according to the research paper in the journal Astronomy and Astrophysics.