First Private Spacewalk by SpaceX Returns to Earth Safely

The groundbreaking Polaris Dawn mission, financed by tech billionaire Jared Isaacman, ended successfully with the first private spacewalk and a safe return to Earth.

Published September 16, 2024 - 00:09am

33 minutes read
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The Polaris Dawn mission, orchestrated by SpaceX and tech billionaire Jared Isaacman, marked a pioneering moment in space exploration as the crew completed the first private spacewalk. This mission, which lasted five days, epitomized the advancements and commercial potential of civilian space travel.

SpaceX's Crew Dragon, carrying Isaacman, two SpaceX engineers, and an ex-Air Force Thunderbird pilot, splashed down in the Gulf of Mexico near Florida's Dry Tortugas. The capsule's descent into the Earth's atmosphere was witnessed by the crew of the International Space Station (ISS), who were impressed by the sight.

Isaacman, founder and CEO of Shift4, has long been a proponent of commercial space exploration, having previously funded the Inspiration4 mission. The Polaris Dawn mission, financed jointly by Isaacman and SpaceX, broke several records during its flight; it charted a course that took the crew 1,408 kilometers away from Earth, making it the most distant space trip since the Apollo moon missions.

On Thursday, the Dragon capsule's hatch opened, and Isaacman emerged up to his waist—a historic moment as it was the first instance of private individuals engaging in a spacewalk. He was shortly followed by Sarah Gillis, a SpaceX engineer, who also tested the newly designed spacesuits intended for potential future missions to Mars. This brief spacewalk, lasting under two hours, was aimed at testing the suit technology in preparation for longer, more demanding missions.

The importance of this mission cannot be overstated. Previously, spacewalks were an exclusive domain of highly trained, professional astronauts. Isaacman and his team, however, showcased the growing accessibility of space travel for civilians. This progression represents a significant leap toward the idea of making human life multiplanetary, a goal fervently pursued by Elon Musk's SpaceX.

The mission had other notable aspects. Anna Menon, another SpaceX team member, took the opportunity to read her book, Kisses from Space, to patients of St. Jude Children's Research Hospital, exposing them to the wonders of space. The mission also focused on various scientific endeavors, including assessing the impact of microgravity on human health and bodily functions.

The Dragon spacecraft had a high-flying mission. Beginning at NASA's Kennedy Space Center, it ascended to 1,408 kilometers, an altitude beyond the typical reach of the ISS and Hubble Space Telescope. The mission also exposed the crew to the Van Allen radiation belts, offering invaluable data for future missions designed to explore deep space.

According to Vladimir Fetisov of 3dnews.ru, the return of Crew Dragon was perfectly timed, landing safely and marking the completion of a landmark mission. The mission involved developing new spacesuits, testing life support systems, and verifying the Crew Dragon's capability to enable a safe exit and reentry into space.

The four-member Polaris Dawn team, including pilot Scott Poteet and medical officer Anna Menon, joined Isaacman and Gillis under the starry canopy of space, witnessing the Earth's expanse from a record distance. For ten hours, they orbited the Earth six times, conducting research, tests, and even a violin performance by Gillis, who is classically trained.

The successful completion of Polaris Dawn opens a new chapter in private space missions, propelling humanity closer to the goal of becoming a multiplanetary species. The mission advanced critical technologies and tested safety protocols for longer, more ambitious voyages to celestial destinations such as Mars.

All eyes now turn to the future missions planned under Isaacman's Polaris Program, poised to continue breaking barriers and broadening the horizons of human space travel.

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