GR · Schwarzschild solution
Horizon scale
city-scale
Module 13 · Event horizons
Singularity X-1
General relativity dynamics & event horizon mapping.
4.266 M⊙
Physics readouts⚠️ LETHAL SPAGHETTIFICATION
Schwarzschild r12.601 km12,601.192 m
Horizon area1.995×10^9 m²A = 4π r²
Hawking T1.446×10^-8 KT ∝ 1/M
Tidal · 1.8 m body1.019×10^9 m/s²at the horizon
ISCO orbit period1.941×10^-3 sr = 3 rr_s:
Evaporation1.628×10^69 yruniv. age: 1.378×10^10 yr
rr_s: = 2GM/c². T = ℏc³/(8πGMk_B). Evaporation t = 5120π G²M³/(ℏc⁴). Non-rotating (Schwarzschild) approximation — real black holes have spin (Kerr) and accretion structure.