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.
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