Follow this link to skip to the main content

Got Calcium?


1. The mass of the Sun is 2.0 x 1030 kg. With the mass of Cas A as 20 times the mass of the Sun, and 0.05% of that mass being calcium, the amount of calcium in Cas A is

(20 x 2.0 x 1030 kg) x 0.0005
= 2.3 x 1028 kg of Ca in remnant

2. The total number of glasses of milk is then


A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

NASA Logo, National Aeronautics and Space Administration