In 1948, the astronomer Fred Hoyle said, “Once a photograph of the Earth, taken from outside, is available – once the sheer isolation of the earth becomes plain – a new idea as powerful as any in history will be let loose.”
在1948年，天文学家佛瑞德·霍伊尔（Fred Hoyle）说，“一旦有了从外部给地球拍摄的照片——一旦地球的绝对孤立变得众所周知——和历史上那些有影响力的观点一样强大的新观点就会产生。”