Kejian He

1 articles · 3 co-authors · latest: 2026-04-22
67 citations · h-index 5 · 17 papersData: Semantic Scholar

We have retold 1 papers by this author. most often about: black hole merger, black hole, Accretion disk. 3 co-authors across our retellings.

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General Relativity2026-04-221 minarXiv:2604.20499express
The Shadow of a Black Hole Changes Shape
A black hole is not just a dark sphere in space. If there is gas and dust nearby, they swirl into a flat, glowing disk that gradually falls inward. This disk acts like a lamp, illuminating the hole itself, and against the bright background you can see its shadow — a dark silhouette with sharp edges. But what if the disk is not flat but torn into pieces?