A newfound hunk of ice and rock beyond Neptune is larger than most and might contend for the title of the biggest object in the solar system besides the Sun, planets and moons.

• 在海王星外，一个新发现的冰岩混合的大天体可能将会是我们太阳系里除了太阳，行星及卫星之外，最大的一个天体。