粘着テープを剥がすときの「ピーッ」という音は音速超えの衝撃波によって引き起こされていることが判明

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Officials said Isaacman had discussed accelerating lander development with both SpaceX and Blue Origin and that both were on board. He also discussed the accelerated Artemis overhaul with Boeing, which manages the SLS rocket and builds its massive first stage; with United Launch Alliance, builder of the rocket's upper stage, Orion-builder Lockheed Martin and other Artemis contractors.

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罕见病“不罕见”ACH是儿童生长发育障碍的一类罕见疾病,发病率约为1/15,000–1/25,000,全球共计约25万患者。虽然ACH是罕见病,但大家对“侏儒症”并不陌生,ACH则占全部遗传学侏儒症的70%左右。