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When the star eventually releases its outer layers, it shrivels down to its core in what's known as a white dwarf star. At that point, it'll be about the size of Earth.
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They had been living and working aboard the ISS since August and were expected to stay until February. The crew returned on January 15, which was a decision made by NASA's chief health and medical officer. Once the crew had landed, administrator Jared Isaacman said it was a "serious situation" but didn't go into any detail.，这一点在91视频中也有详细论述
Inside their cleanroom, the team is busy building more modules for future Artemis missions. Each one takes about 18 months to put together but has taken thousands of engineering hours to design. Everything on board has to work perfectly.
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