Half-Century of Spaceflight

FRANK MORRING JR.

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Half-Century of Spaceflight

机译：半个世纪的航天

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From the beachball-sized Sputnik 1 to the multifunctional but fragile space shuttle and the growing International Space Station, spacecraft have advanced dramatically in the 46 years since the Soviet Union's 183-lb. trailblazer triggered the space race. The space environment is harsh and unforgiving, and the progress that has gone into operating there is arguably the crowning engineering achievement of the post-World War Ⅱ age. The U.S. answered Sputnik with Explorer Ⅰ, which revealed the Van Allen radiation belts when its onboard cosmic-ray detector was saturated by the charged particles trapped in Earth's magnetic field, and the space community hasn't looked back since. Voyager Ⅰ is returning data from the very edge of the Solar System, after collecting dramatic close-ups of the outer planets two decades ago. Four robots from three different space agencies are nearing Mars to continue scientific exploration there, from orbit and on the surface.

机译：从沙滩球大小的人造卫星1号到多功能但脆弱的航天飞机，再到不断扩大的国际空间站，自苏联183磅重航天飞机以来的46年中，航天器取得了巨大进步。开拓者引发了太空竞赛。太空环境是严酷和令人无法容忍的，在那里运行所取得的进步可以说是二战后最高的工程成就。美国用探索者Ⅰ号对人造卫星进行了回答，当它的机载宇宙射线探测器被地球磁场中捕获的带电粒子所饱和时，它揭示了范艾伦辐射带，而太空界此后一直没有回头。在收集了二十年前外层行星的惊人特写之后，旅行者一号正在从太阳系的边缘返回数据。来自三个不同空间机构的四个机器人正在靠近火星，以从轨道和地面继续在那里进行科学探索。

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《Aviation Week & Space Technology》 |2003年第24期|p.4042-43|共3页
作者
FRANK MORRING JR.;
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作者单位

WASHINGTON;

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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类航空;
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Half-Century of Spaceflight

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