Caleb scharf , an astrobiologist at columbia university who was not part of the research , said he was amazed .

凯勒沙佛，哥伦比亚大学的一位天体生物学家，没有参加这项研究，他说他对此感到惊奇。

Dr. morrison , the nasa scientist , has become the government 's de facto defender against the doomsday hypothesis , because of his role answering questions from the public on the ' ask an astrobiologist ' feature of the agency 's website .

nasa科学家莫里森已经成为政府事实上的末日假说驳斥者，因为他负责在nasa网站上的“问问天体生物学家”栏目中回答公众的提问。

In the next 15 to 25 years , there are likely to be two generations of space missions to analyze exoplanets in greater detail , said astrobiologist jean schneider at the paris observatory at meudon .

meudon的巴黎天文台的天文学家jeanschneider称，在接下来的15至25年内，很可能会有两个世代的更详细地分析太阳系外行星的太空计划。

Dirk schulze-makuch , first author on the new paper and an astrobiologist at washington state university , said the team wanted to be as open-minded as possible .

dirkschulze-makuch，该篇新论文的第一作者同时也是华盛顿州立大学的太空生物学家，说道，他们团队想要做到尽可能的无偏见。