μ€λμ λΈλνμ singularity theorem μ 곡λΆνλ€ λ³΄λ©΄ λ§λκ² λλ Raychaudhuri equation μ μ λ λ°©λ²μ λν΄μ μκ°ν΄ λ³ΌκΉ ν©λλ€. Raychaudhuri [Documentary on Amal Kumar Raychaudhuri, the renowned theoretical physicist from Kolkata] νκ³μμλκ·Έλ₯