早在“航天飞机”（Space Shuttle）以滑翔方式重返地球大气层并如飞机般着陆之前，美国宇航局（NASA）的工程师们必须回答一个大胆的问题：没有机翼的飞行器，真的能飞吗？ 答案，便蕴藏在一系列被称为“升力体”（Lifting Bodies）的实验飞行器之中。

早在“航天飞机”（Space Shuttle）以滑翔方式重返地球大气层并如飞机般着陆之前，美国宇航局（NASA）的工程师们必须回答一个大胆的问题：没有 ...

早在“航天飞机”（Space Shuttle）能够以滑翔方式重返地球大气层并像飞机一样着陆之前，美国宇航局（NASA）的工程师们面临了一个非常具有挑战性的问题：没有机翼的飞行器，是否能够飞行？这个问题的答案就在一系列被称为 ...

1 The space shuttle Enterprise, mated on the back of the NASA 747 Shuttle Carrier Aircraft, rests on the tarmac before a crowd of spectators at JFK International Airport, April 27, 2012, in New York.

NASA will turn its attention to deep space. Space exploration creates science. But the space program also creates jobs. For the shuttle program, NASA came to depend mostly on workers from private ...

CHRISTOPHER CRUISE: The United States Congress will decide NASA's budget for 2012. The Obama administration has asked for a small amount of money to aid commercial human space flights. The ...