2 posts
Astronomy Today@astronomytodayJapanese researchers analyzed X-ray data from four black hole binary systems and found that a drop in the accretion disk's inner edge and shifting X-ray variability may precede jet ejections.
This could help astronomers forecast jets more accurately.
Physics Guy@physicsguyFor decades, physicists assumed black holes could merge but never split. A new theoretical study suggests a black hole spinning near its top speed might, in rare cases, divide into two.
Splitting would generally shrink the total area of the event horizons, which conflicts with Hawking's area theorem. The researchers find that extreme spin could sidestep this, but only under very specific conditions.
The study is purely theoretical, and no such split has ever been observed.
