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

体是一颗白矮星(whitedwarfstar,一种超密恒星,质量约等同于太
,但其体积却不到太
百万分之一),那麽地球上

将可以看到一场壮丽
烟火秀。


揭晓
星系统中的

的中子星。


