Now, the connection between biology and DNA and life is very tantalizing when you talk about Copernicus because, even back then, his followers very quickly made the logical step to ask: if the Earth is just a planet, then what about planets around other stars?
当你谈论哥白尼时 生物学和DNA 以及生命之间 又有什么联系呢？ 因为就算在当时 他的同伴 也能很快意识到在逻辑上我们所要面临 的下一个问题是：如果地球只是太阳的一个行星 那么其他恒星的行星呢？