航空航天术语——卡门线

这是卡门线卡门线是地球大气层和外太空之间的分界线。它对法律和监管措施的实施很重要:航空器和航天器分属不同的管辖范围,受不同的条约约束。卡门线在哪里?FAI国际航联是一个国际航空航天标准制定和记录保存机构,它将卡门线定义为地球平均海平面之上,大概100千米的那条线。

What's the Kármán line?The Kármán line is an attempt to define a boundary between the Earth's atmosphere and outer space.This is important for legal and regulatory measures:aircraft and spacecraft fall under different jurisdictions and are subject to different treaties.Where's the Kármán line?The Fédération Aéronautique Internationale(FAI),an international standard-setting and record-keeping body for aeronautics and astronautics,defines the Kármán line as the altitude of 100 kilometres above the Earth's mean sea level.