2018年1月19日 星期五

Prepping the Parker Solar Probe for Space


At NASA's Goddard Space Flight Center, the Parker Solar Probe is lowered into the 40-foot-tall thermal vacuum chamber. The thermal vacuum chamber simulates the harsh conditions that the spacecraft will experience on its journey through space, including near-vacuum conditions and severe hot and cold temperatures. via NASA http://ift.tt/2Dl77LM

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