AI Insight
Scientists have observed that repeated flares from material falling into supermassive black holes at galaxy centers tend to diminish in brightness over successive outbursts. New research suggests that the spin of stars being tidally disrupted by these black holes may explain this dimming pattern. The stellar spin affects how the star is torn apart and how its material is subsequently accreted by the black hole, leading to variations in flare luminosity.
Why it matters
This finding helps astronomers better understand tidal disruption events, which are crucial for studying supermassive black holes and testing general relativity in extreme gravitational environments. The research may improve predictions of black hole behavior and refine methods for detecting and characterizing these rare astronomical events.
Understand the Science
At the center of most galaxies lies a supermassive black hole, with a mass millions to billions of times that of our sun and some of the most extreme gravity in the universe.
Source: Stellar spin may explain why repeated black hole flares grow dimmer