> Kip Thorne once commented that black holes are “bigger across” than we’d expect from their circumference. Which I think is what those cusp-on-sheet models are

> Kip Thorne once commented that black holes are “bigger across” than we’d expect from their circumference. Which I think is what those cusp-on-sheet models are showing. Does that create a topological defect? No. There are no topological defects in any of the standard black hole spacetimes.