An Introduction to Modern Astrophysics · Problem 17.12

Close Binary Star Systems — Carroll & Ostlie

Physics — Astrophysics · black-holes-schwarzschild-radius

Problem

Consider four black holes with masses of

10^{12}

kg,

10\,M_\odot

10^5\,M_\odot

, and

10^9\,M_\odot

. (a) Calculate the Schwarzschild radius for each. (b) Calculate the average density, defined by

\rho = M/(\frac{4}{3}\pi R_S^3)

, for each.