"黑矮星"是个多义词，它可以指黑矮星（中小质量恒星演化的最后期）,黑矮星（美国漫威漫画旗下超级反派）。
相对的，它们最终只是会变冷成为白矮星和黑矮星。
Instead, they should eventually just cool to become white dwarfs and then black dwarves.
在几百亿年甚至几千亿年之后，白矮星最终冷却形成黑矮星，后者不再散发任何能量。
Eventually—over tens or even hundreds of billions of years—a white dwarf cools until it becomes a black dwarf, which emits no energy.
由于宇宙中最老的恒星也只有一百亿年至两百亿年的星龄，所以尚未有已知的黑矮星。暂时没有。
Because the universe's oldest stars are only 10 billion to 20 billion years old there are no known black dwarfs-yet.
应用推荐