Le trio s’apprête à retourner sur Terre à bord d’un vaisseau spatial russe – La première mission d’un astronaute privé est imminente.

Le vaisseau d'équipage Soyouz MS-19 amarré au module Rassvet

Le vaisseau d’équipage Soyouz MS-19, situé entre le vaisseau cargo Cygnus et le module Prichal, qui ramènera trois membres de l’équipage Expedition 66 chez eux, est photographié amarré au module Rassvet. Il a été photographié avant que le vaisseau d’équipage Soyouz MS-21 ne s’amarre au module Prichal le 18 mars. Crédit : NASA

Trois ingénieurs de vol de la mission Expedition 66 reviennent sur Terre dans moins de deux jours, tandis que quatre astronautes privés se préparent à leur mission à bord de la Station spatiale internationale. Les activités de l’équipage n’ont pas interrompu la recherche spatiale en cours, puisque les résidents orbitaux ont étudié la biologie, la botanique et la physique lundi.

;” data-gt-translate-attributes=”[{” attribute=””>NASA astronaut Mark Vande Hei is nearing the end of his mission as he prepares to return to Earth on Wednesday after a NASA-record breaking 355 days in space. Soyuz Commander Anton Shkaplerov will lead Vande Hei and Flight Engineer Pyotr Dubrov inside the Soyuz MS-19 crew ship when they undock from the Rassvet module at 3:21 a.m. EDT on Wednesday. The trio will parachute to a landing just over four hours later.

The next mission to the orbiting lab will be the Axiom Space-1 mission, or Ax-1, carrying a former NASA astronaut and three U.S. crew members. Commander Michael Lopez-Alegria will be making his fifth visit to space and his third visit to the space station while commanding the first private mission for Axiom Space. He will lead first time space visitors Pilot Larry Connor and Mission Specialists Eytan Stibbe and Mark Pathy aboard Endeavour, during the vehicle’s second mission to the station.

NASA teams supporting the Artemis I mission polled “go” today to proceed with the wet dress rehearsal, planned for Friday, April 1, through Sunday, April 3, on Launch Pad 39B at NASA’s Kennedy Space Center in Florida. NASA, Axiom and SpaceX are now looking at no earlier than April 6 for the launch of Axiom Mission 1 (Ax-1), the first private astronaut mission to the International Space Station, pending range approval. For an April 6 launch, Ax-1 static fire would take place on April 4. NASA’s SpaceX Crew-4 mission remains scheduled to launch no earlier than Tuesday, April 19.

Science is always ongoing aboard the station whether its crew members tending to experiments, or scientists uploading commands, or even investigations that are designed to run autonomously.

Monday’s research program aboard the station covered human research, space botany and glass optics. NASA Flight Engineers Raja Chari and Kayla Barron helped researchers understand how astronauts manipulate objects possibly informing the design of spacecraft interfaces for a variety of gravity environments. The duo also joined astronauts Tom Marshburn of NASA and Matthias Maurer of ESA (European Space Agency) for a standard vision test using an eye chart.

Chari also harvested cotton cultures grown for the Plant Habitat-05 experiment and prepared them for return analysis back on Earth. Marshburn serviced samples for a physics study exploring using artificial intelligence to improve the development of advanced glass optics with implications for Earth and space industries.

The orbiting lab’s three newest crew members spent the day on a variety of activities in the Russian segment including an exercise study, ventilation maintenance, and station familiarization activities. Cosmonauts Oleg Artemyev, Sergey Korsakov, and Denis Matveev are in the second week of a six-and-a-half-month mission that began on March 18.

After successfully completing a spacewalk on March 23 at the International Space Station, a thin layer of water was discovered on the inner surface of the helmet and on an absorption pad inside ESA (European Space Agency) astronaut Matthias Maurer’s helmet following airlock re-pressurization. The water found was more than normal. The space station crew expedited Maurer’s helmet removal and then gathered data in coordination with ground support teams. The space station team is looking into the cause, and any possible fixes that might be needed. The station crew members remain in good health, and they are continuing their daily activities of science and maintenance. Key objectives were completed during the spacewalk, and there are no planned U.S operating segment spacewalks in the near future as a part of normal station operations. Crew safety is a top priority for NASA. The agency and our international partners are constantly identifying and mitigating risks of human spaceflight.

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