article_snippet: One of Binary stars, a carbon-oxygen white dwarf, steals matter from its companion star.
article_snippet: Eventually, the white dwarf accumulates too much matter.
article_snippet: Having too much matter causes its companion star to explode, resulting in a supernova.
article_snippet: As its companion star runs out of nuclear fuel, some of its companion star mass flows into its companion star core.
article_snippet: Eventually, its core is so heavy that its core cannot withstand its core own gravitational force.
article_snippet: The core collapses, which results in the giant explosion of a supernova. '