单词:space flight principle
单词:space flight principle 相关文章
In 1983, trailblazing astronaut Sally Ride blasted out of Earth's orbit, opening the world of space travel for women. Watch the stories of other pioneers who have followed her path to the stars. Since the US space program began in 1958, NASA has ach
EXPLORATIONS - The Year in Space By Paul Thompson Broadcast: Wednesday, December 29, 2004 VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with the VOA Special English program EXPLORATIONS
So how can we slow the head down? 那我们该如何减缓头部的向下移动? A gigantic helmet. So with more space, you have more time, and this is a bit of a joke, but some of you may have seen this. 可以佩戴巨型头盔。空间变大,缓
65 航天飞机的飞行准备 DATE=7-4-01 TITLE=EXPLORATIONS #1959 - Preparing Shuttle for Space Flight BYLINE=Paul Thompson VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember wi
The Space Shuttle Discovery is now on its way to the International Space Station after what NASA calls a picture perfect launch from the Kennedy Space Center in Florida Thursday. This is the last flight of the oldest and most-travelled of the US shut
WASHINGTON, Nov. 8 (Xinhua) -- NASA plans to add an unmanned flight test of the Orion spacecraft in early 2014 to its contract with Lockheed Martin Space Systems for the multipurpose crew vehicle's design, development, test and evaluation, the U.S. s