A few stars are known which are hardly bigger than the earth, but the majority are so large that hundreds of thousands o人们所知道的几个星球并不比地球大多少,但绝大多数的星球却大得足以容纳成千上万个地球还绰绰有余;我们到处都能遇见大得足以包容千千万万个地球的巨星。