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
颗
矮
(whitedwarfstar,
种超

,质量约等同于太阳,但其体积却不到太阳的百万分之
),那麽地球上的居民将可以看到
场壮丽的烟火秀。



2013
5月合集
雨般落在两颗
变得越来越暗淡,仅由较小的红
非常
,以致于
前,他们认为有一颗



