Tidal disruption events

When a star passes too close to a giant black hole, tidal forces tear it apart and part of it falls in, producing a flare that lasts months. Where the light comes from and why less energy than expected comes out are still debated.

Why it matters

These flares reveal otherwise dormant black holes and show how gas falls onto them.

Review

S. Gezari, Tidal Disruption Events, Annual Review of Astronomy and Astrophysics, 2021. https://arxiv.org/abs/2104.14580 reference checked

Timestamp record

Signed record
f6e463881470…
Public log
Entry 59, in checkpoint 2,123
In the log by
Block 969,698, 2026-10-03

This text was in the PubPhys log by that date. The date says nothing about when the problem was first posed.

6 problems