星体燃烧了核内的氦，吞并了行星或伴星吗？
Did the star ignite helium at the core, swallow a planet, or swallow a companion star?
当核燃烧向外进行到核心周边壳层的新物质时，恒星会膨胀成所谓的红巨星。
As the nuclear burning moves outward to the fresh material in a shell surrounding the core, the star bloats into a so-called red giant.
当核燃烧向外进行到核心周边壳层的新物质时，恒星会膨胀成所谓的红巨星。
As the nuclear burning moves outward to the fresh material in a shell surrounding the core the star bloats into a so-called red giant.
应用推荐