"The SpaceX Polaris Dawn mission, led by fintech billionaire Jared Isaacman, launched early Tuesday from the Kennedy Space Center in Florida, journeying deeper into the cosmos than any human in half a century, since the Apollo programme in the 1970s."
"Prior to the hatch opening, the crew underwent a prebreathe procedure to remove nitrogen from their bloodstream, preventing decompression sickness. The cabin pressure was then gradually lowered to align with the vacuum of space."
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