PDF-StellartimescalesOnewaytocometogripswiththephysicsofstarsistolookatthe PDF document
dt2GM R2tR0R dR dt001Theradiuswouldshrinktozeroafteranelapsedfreefalltimet p 8R3 GM 122Dimensionalanalysisgivesasimilarresultitisclearthatthecollapsetimeshouldinvolvetheini