STELLAR EVOLUTION. Once stars have been created, the time scales and other details of their evolution (and eventual fate) depend primarily on their initial mass, and secondarily on their initial composition.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
4He + 4He 8Be + energy; 8Be + 4He 12C + energy
The Cygnus Loop is the expanding shell (plus shock-excited interstestellar gas) resulting from a supernova explosion.