If the incoming projectile were a white dwarf—a superdense star that packs the mass of the sun into a body a hundredth the size—the residents of Earth would be treated to quite a fireworks show.
如果接近的天体是一颗白矮(whitedwarfstar,一种超密
,
量约等同于
,但其体积却不
的百万分之一),那麽地球上的居民将可以看
一场壮丽的烟火秀。