2009 is the 400th anniversary of Galileo's first use of the telescope, Darwin's 200th birthday, the 150th anniversary of the publication of "On the Origin of Species," the 50th anniversary of SETI as a science, the 25th anniversary of the incorporation of the SETI Institute as a non-profit, and of course, the 25th anniversary of TED.
2009是伽利略第一次使用望远镜的400周年， 达尔文诞辰200周年， 《物种起源》出版150周年， SETI作为科学研究的50周年， SETI成为非盈利组织的25周年， 当然还有，TED25周年。