British scientist Stephen Hawking is worried that any extraterrestrial life we find is likely to be a creature out of the movie Predator, not ET.

英国科学家斯蒂芬·霍金担心，我们发现的任何外星生命更可能是电影《铁血战士》而不是《ET外星人》里的生物。

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British scientist Stephen Hawking is worried that any extraterrestrial life we find is likely to be a creature out of the movie Predator - not ET.

英国科学家史蒂芬·霍金曾担心，我们找到的任何一种地外生命都更有可能类似《掠食者》，而不像《ET外星人》那么友善。

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Edelstein speculates this might be one reason why extraterrestrial civilisations haven't paid us a visit.

Edelstein推测这也可能是外星文明还没有造访地球的一个原因。

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Vakoch admits that the typical SETI approach has been to suppose that long-lived extraterrestrial civilizations would also be far-ranging technical wizards.

FORBES: SETI's 'L Factor':? Will E.T. Actually Be Around Long Enough To Phone Home?

"This is going to be the largest sample of an extraterrestrial object returned to Earth since end of the Apollo missions over 40 years ago, " said Edward Beshore, deputy principal investigator for the mission, who is based at the University of Arizona, Tucson.

CNN: So, about that asteroid near Earth ...

Staff tell an apocryphal-sounding anecdote from the Search for Extraterrestrial Intelligence, when a promising signal turned out be a technician warming his lunch at the Arecibo Observatory in Puerto Rico.

BBC: Aye to the telescope