You may no longer submit this homework
assignment without prior approval from Dr. Rees!
Enter the energy density of neutrinos:
Enter an expression for dM/dt:
Enter a formula for the lifetime of a black hole in terms of initial mass, M, G, h, and c:
Enter an expression for the radius of a star in terms of L, sigma, and
Be sure to click on the Submit Button. If the assignment has been
successfully uploaded, you should see a confirmation page..