英语学习点: Vocabulary on alien worlds 有关外星世界的词汇
120118140232_alien_bbc_226.jpg
Are you prepared to have a chat with him?
For decades we've been sending signals into space and listening out for out of this world broadcasts. But what's the plan if signs of intelligent alien life are detected?
Those likely to be at the receiving end of a cosmic signal are the scientists at the Seti Institute in California. And its principal astronomer, Seth Shostak, says that if we do get an unusual deep space message confirmed by other telescopes around the world "the protocol would be simply to announce it".
收听与下载
tae_352_aliens_article_120118_tae_352_alien_audio_au_bb.mp3
(1.79 MB, 下载次数: 18)
| 
发表于 2016-7-14 23:58:16
