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What the first American astronauts taught us about life in space



NASA's Mercury Project was the first human-in-space program in the United States. Between 1961 and 1963, six astronauts carried out successful one-man space flights, giving doctors and scientists the opportunity to observe the effects of space-life on the human body.

"Space data is hard to come by, and we should remember what has already been done so that we can take advantage of new opportunities for human space exploration," said the corresponding author, Drs. Virginia Wotring, Associate Professor of the Center for Space Medicine and Pharmacology and Chemical Biology at Baylor College of Medicine. [1

9659002] The Mercury Astronaut project was an active military test pilot volunteering for these missions. They were between 35 and 40 years old at the time of the flight, and since the space inside the spacecraft was limited, they did not have to be larger than 5 feet 11 inches.

Depending on the mission, the flights were either in a suborbital or in a low orbit path and lasted between 15 minutes and 34 hours. During the flights, the astronauts were carrying a 20-pound space suit designed to support the capsule's support system and held in a semi-recumbent position by a harness during execution of their duties.

Frequent clinical measures such as heart rate, body temperature and respiratory rate were measured to monitor their health status.

At that time, scientists and physicians knew little about human tolerance for a permanent, weightless environment, only what ground simulations – "dress rehearsals" – predicted. These first flights provided some answers on what to expect in short-term space flights.

"The Mercury missions have taught us that people can work in space environments for more than a day Other findings include heart rate and weight Losses in early space missions were more related to the time spent in a space suit than to the time spent in weightlessness, "said Wotring, who is also Chief Scientist and Deputy Director of the Translational Research Institute for Space Health.

that the & # 39; dress rehearsals & # 39; Excellent predictors of what would later be seen in space. "

We hope that these and other insights will influence the design of spacesuits and that ground simulations and 'samples' will receive attention they deserve," she said.

The Mercury Astronaut project data may be of interest to operators of future commercial spaceflights, as the short duration of the Mercury missions is similar to the planned future space missions for space missions

"As Dr. William R. Carpentier of the NASA Johnson Space Center The National Space Biomedical Research Institute and Baylor Center for Space Medicine had the opportunity to collaborate on this publication, and we had the privilege to work with it. "This report is our endeavor to provide all medical data available in those early days Days of manned spaceflight have been collected so that future researchers can find and benefit from it. "

Research Paper

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Baylor College of Medicine

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Fifty years later, Yuri Gagarin's death was always over Another Secret [19659027] Moscow (AFP) March 27, 2018

Yuri Gagarin, who was hailed as a Soviet national hero because he was the first man in space, was killed 50 years ago in a plane crash, but the details of his death are still puzzling.

On March 27, 1968, at 10:18 am, Gagarin was preparing for a training flight on his MiG-15 aircraft at Chkalovsky Airfield near Moscow, recalled his former cosmonaut colleague Vladimir Aksyonov.

"Yuri and I consulted the same doctors and heard the same weather forecasts, my departure was an hour after his …"


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