2015年12月1日 星期二

NASA's Bad Engine Habits

As NASA discards reusable engines, Blue Origin and SpaceX push new frontiers, Ars Techinca "On the Monday before Thanksgiving NASA made what it deemed a momentous announcement: the space agency had awarded $1.16 billion to Aerojet Rocketdyne for rocket engines...

from NASA Watch http://ift.tt/1Rl7uca
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