Labels:box | hakham | multichannel recorder | shelf OCR: Lives of the Stars Lives of the Stars The most mass ive star The most massi ive star Stars of spectral classes BtoM Stars of spectral classesB to M Evolution of solar type star Evolution of solar-tvpe star Evolution of 12-solar -mass star Evolution of 12-solar-mass star Supergiant to supernova Supergiant to supernova Evolutior