1. The nearest known black hole, Gaia BH1, is about 1,500 light-years away.
(PC- NASA)
2. The most distant black hole detected is at the center of the galaxy QSO J0313-1806, approximately 13 billion light-years away.
(PC- NASA)
3. The most massive black hole observed, TON 618, has a mass 66 billion times that of the Sun.
(PC- NASA)
4. The lightest-known black hole has a mass 3.8 times that of the Sun and is part of a binary system with a star.
(PC- NASA)
5. All black holes spin, with the fastest-known, GRS 1915+105, rotating at over 1,000 times per second.
(PC- NASA)