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Artemis II astronauts complete historic splashdown
The four-member crew of NASA's Artemis II mission safely re-entered Earth's atmosphere at 25,000 mph (40,000 km/h) before splashing down off California's coast, marking the end of a groundbreaking journey that ventured farther into space than any humans before them.
Record-breaking distance achieved
The Artemis II team traveled approximately 4,000 miles beyond the previous human spaceflight record of 248,655 miles, set by Apollo 13 in 1970. Despite the mission's brevity compared to long-duration stays on the International Space Station, the crew endured the physical toll of microgravity, including muscle and bone density loss.
Physical and emotional toll of spaceflight
Astronauts face significant physiological challenges in space, where the absence of gravity weakens muscles-particularly in the back, neck, and calves-and reduces bone mass. Former UK astronaut Tim Peake described re-entry as "quite punishing," comparing the sustained force of gravity to a prolonged rollercoaster ride.
Though NASA enforces strict exercise regimens, muscle mass can decline by up to 20% after just two weeks in space. However, the Artemis II crew's relatively short mission duration-similar to Space Shuttle-era flights-means their health impacts are expected to be minimal compared to long-term ISS residents.
Returning to Earth: Adjustment and celebration
Upon splashdown, the crew underwent immediate medical evaluations aboard a US Navy recovery vessel before being flown to shore and transported to NASA's Johnson Space Center in Houston. While astronauts are trained to handle the mental and physical strains of spaceflight, many describe the experience as transformative.
"Seeing our planet surrounded by the blackness of space truly emphasized how alike we are, how the same thing keeps every single person on Earth alive."
Christina Koch, Artemis II Mission Specialist
Koch, who previously highlighted the camaraderie and purpose of space missions, will reunite with family after the high-stakes return. Commander Reid Wiseman, who lost his wife to cancer in 2020, had prepared his two teenage daughters for the mission's risks, including showing them his will.
Jeremy Hansen's family, including his wife Dr. Catherine Hansen, expressed relief and excitement. "We will absolutely celebrate with the world," she told the BBC, though the first moments will be reserved for private family time.
Post-mission plans and future fame
NASA has not disclosed the crew's immediate schedule, but their return will likely involve debriefings with scientists and engineers. The three NASA astronauts remain eligible for future Artemis missions, including the 2027 and 2028 lunar landings, though assignments have not been announced.
One confirmed engagement: a White House reception hosted by former President Donald Trump, who established the Artemis program in 2017. Trump invited the crew during a call from space, promising a "big salute" on behalf of the American public.
The crew's newfound fame-fueled by round-the-clock media coverage and viral attention-may require adjustment. As Peake noted, "Their time will be split between work and family, but the scientific community will want them first."
