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Sleep in space. An astronaut asleep in the microgravity of Earth orbit-continual free-fall around the Earth, inside the pressurized module Harmony node of the International Space Station in 2007. Sleeping in space is part of space medicine and mission planning, with impacts on the health, capabilities and morale of astronauts.
In 2013 NASA published a study that found changes to the eyes and eyesight of monkeys with spaceflights longer than 6 months. [85] Noted changes included a flattening of the eyeball and changes to the retina. [85] Space traveler's eyesight can become blurry after too much time in space. [86] [87] Another effect is known as cosmic ray visual ...
July 31, 1970. Leroy Gordon Cooper Jr. (March 6, 1927 – October 4, 2004) was an American aerospace engineer, test pilot, United States Air Force pilot, and the youngest of the seven original astronauts in Project Mercury, the first human space program of the United States. Cooper learned to fly as a child, and after service in the United ...
NASA allocates 8.5 hours of 'downtime' for sleep per day for astronauts aboard the ISS, but the average duration of sleep is only 6 hours. [90] Poor sleep quality and quantity can compromise the daytime performance and attentiveness of space crew.
The Astronaut Beach House is a two-story house built in 1962 as a part of the then Neptune Beach subdivision at Cape Canaveral, Florida . NASA purchased the development through eminent domain for $31,500 in 1963 to accommodate the expanding Kennedy Space Center, [1] and other private homes were removed. Unlike a nearby gas station and store ...
A 1997 study by Dinges et al. [10] revealed that when sleep is restricted to the level that is commonly experienced by astronauts, a "sleep debt" accrues and, in less than 1 week, performance deficits during waking hours reach levels of serious impairment. Chronic reduction of sleep can impact performance in a manner that is similar to that of ...
Eugene Francis Kranz (born August 17, 1933) is an American aerospace engineer who served as NASA 's second Chief Flight Director, directing missions of the Mercury, Gemini, and Apollo programs, including the first lunar landing mission, Apollo 11. He directed the successful efforts by the Mission Control team to save the crew of Apollo 13, and ...
Research on the medical emergencies that may occur in space include fatal and nonfatal arrhythmia, heart attacks, cardiac arrests, embolisms, massive hemorrhages, renal stone formations, fatal and non-fatal infections, and thrombotic complications. Of these conditions, only arrhythmia, renal colics, and infections have occurred in the history ...