NASA 50th Anniversary Lecture Series
Dr. Stephen Hawking Lecture
“Why We Should Go Into Space”
George Washington University
April 21, 2008
In 4 parts
Nasa, Nghiên cứu ứng dụng, Tin Hàng không Vũ trụ quốc tế, Tin Hàng không Vũ trụ trong nước, Tin tức
NASA 50th Anniversary Lecture – Dr. Stephen Hawking – Part 1
NASA 50th Anniversary Lecture Series
Dr. Stephen Hawking Lecture
“Why We Should Go Into Space”
George Washington University
April 21, 2008