The cosmologist was asked to study cancer by the national cancer institute .

美国国家癌症研究所请宇宙学家研究癌症。

" The papers themselves are perfectly respectable , undoubtedly correct , and interesting , " says cosmologist sean carroll of the california institute of technology .

加州技术研究所的宇宙学家肖恩卡罗尔说：“这些论文本身就完全受人尊敬，而且毋庸置疑的正确和有趣。”

" You just need a thick enough blanket on top , " university of chicago cosmologist eric switzer told discovery news

“星球的顶部只需要存在一条足够厚度的‘毯子’”，芝加哥大学宇宙学家爱略克斯维兹告诉《发现》栏目。

Professor massey , a cosmologist , explained that the moon was almost as old as the earth , and it would be a shame to lose such a marvelous piece of planetary history .

梅西教授，这位宇宙学家解释说，月亮几乎地球一样的古老，失去这样奇妙的行星将是历史的一个耻辱。

Stephen hawking , who is actually a practicing cosmologist , takes a different approach .

斯蒂芬霍金实际上是一个实践型的宇宙学家，他用不同的方法回答这个问题。