Варвара Кошечкина (редактор отдела оперативной информации)
Nothing has decided to slowly drip product teasers ahead of launch, and the latest in line are a pair of over-the-ear headphones.
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optimizations is causing correctness or (negative) performance issues，更多细节参见51吃瓜
A controlled deorbit requires the use of several core systems, including those for communications, power, and avionics. Some of the ISS machinery was not specifically certified to perform in a depressurized environment. (NASA believes that critical systems would remain operable, based on technical analyses, and emphasizes that many of these systems are already used in vacuum.) Another thing to worry about: the ISS losing control over its orientation in space. The spacecraft could start tumbling, flipping the station’s solar arrays away from the sun, taking the primary source of power with it.