This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
White dwarf accretion to type supernova. en Diagram showing accretion by binary white dwarf star leading to type supernova In binary system system one star evolves to white dwarf At some future time its companion runs out of hydrogen fuel and evolves for period of time into giant star This is quite usual our own sun will do this