NASA's Artemis II Space Launch System (SLS) rocket is rolled back from the launch pad to the Vehicle Assembly Building at the Kennedy Space Center on Feb. 25, 2026.
Long-duration missions in space take a toll on the body, astronauts lose bone density and suffer muscle loss. Blood circulation is also affected, and fluid shifts can also impact eyesight.，推荐阅读91视频获取更多信息
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From left to right the Artemis crew is Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen