Space.Fan — Go Beyond
arXiv · 10 HR AGO
UniverseSIMULATION

Cosmic Feeding Frenzy: How Stars Are Being Shredded by Invisible Giants

By Space.Fan Editorial Desk

New simulations show that tiny, star-destroying events happen more often than massive black hole mergers in crowded space neighborhoods.

A black hole with a glowing accretion disk in deep space.
Image · Space.Fan

The Drop

In the crowded heart of clusters, where gravity is intense and s are packed tightly together, strange things happen. Scientists used a powerful computer simulation called Rapster to study what occurs when s and s encounter normal s. They discovered that instead of just colliding, these dense objects often perform a process called micro-tidal disruption. This happens when a compact object, like a , pulls a apart piece by piece, swallowing it bit by bit rather than all at once. To find these results, the team ran simulations for 100,000 different clusters. They looked at how gravity pulls s toward s and how the s spin when they feed on these captured s. By looking at these different scenarios, they were able to calculate how often these events occur in the deep reaches of space. The researchers found that these small, messy snacking events actually happen more frequently than the massive, violent collisions between two s that we detect using gravitational waves. These findings give us a new way to understand how s grow and spin as they interact with the s around them.
Advertisement

Why It Matters

This discovery helps explain how s get their spin. When a feeds on the gas from a shredded in this special way, it can be pushed to spin faster. This process also helps scientists understand where some s come from, including those that sit in a mysterious weight category called the lower mass gap.
Advertisement

The Catch

These findings are based on computer models, which are simulations rather than direct observations through a telescope. Because these events are very hard to spot, the team considers their numbers to be a ting point, or a lower limit, rather than an exact count of every event occurring in the universe.

Put That in Perspective

Scientists are now looking for ways to use this model to better predict what we might see with future space observatories. By comparing these simulations to data from real gravitational wave detectors, they hope to confirm that these tiny feeding events are truly responsible for the patterns we see in black hole behavior.

Source September 24, 2026
Konstantinos Kritos, Francesco Iacovelli, Rosalba Perna, Emanuele Berti
·10.48550/arXiv.2609.26878

Keep Exploring Space