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"...it is hard to imagine how different the U.S. Space Program would be today if the White House had not made this decision." 3/3 Source:https://www.amazon.com/Choosing-Right-Stuff-Psychological-Intelligence/dp/0275942368 …
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However, the Mercury 7 were all military test-pilots. Why? Eisenhower. The White House intervened to insist that military personnel were the best people for the job. It was the height of the Cold War, and he felt test pilots would do the job best. As Patricia Santy writes: 2/3
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Space History: Eisenhower famously wanted NASA to be a civilian agency. So, in 1958, when looking for astronaut candidates, the "Space Task Group" considered all sorts of civilian jobs - deep sea divers, balloonists, mountain climbers etc. - in addition to military people. 1/3
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This is a diagram of "neutral body posture" - the natural posture you take on in microgravity. Simply put, when floating in space and not exerting your muscles, you appear to be riding an invisible motorcycle.pic.twitter.com/iAJcatebcY
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Trivia for spacegeeks: NASA has a specific equation for how much living space astronauts need. It's a function of number of crew and how long they'll be on the mission: (Volume/crewmember) = 6.67 * naturalLog(duration in days) - 7.79. [source: https://www.amazon.com/Space-Safety-Performance-Tommaso-Sgobba/dp/008101869X/ref=sr_1_1?keywords=gro+sandal&qid=1578695258&sr=8-1 …]
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This story related by the amazing
@RheaSeddon in her wonderful biography, "Go For Orbit." https://www.amazon.com/Go-Orbit-Americas-First-Astronauts-ebook/dp/B01EAZN5NO …Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
The tests didn't solve SAS, which remains a real issue in space, BUT please enjoy knowing that during the late 70s, a bunch of Bible students were blindfolded, put in an airplane, and spun until they puked.
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They got weird results at first, placebos often doing better than drugs. After some confusion, it turned out most of the college students were (if you count alcohol) using recreational drugs. So, NASA went around recruiting from Bible colleges with strict substance policies.
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One such test involved putting blindfolded college kids in a chair which spun during weightlessness. They were literally spun until they puked. The scientists tried various medications to get them to go longer without puking.
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That's a large padded plane that goes in parabolic flight to produce about 30 seconds of weightlessness. NASA scientists performed tests in these planes to try to mitigate SAS with medication.
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"Space Adaptation Sickness" (SAS) is one of the most common ailments in space. It's basically motion sickness, and many astronauts experience it for several days when weightlessness starts. In the late 1970s, a test was done using the "vomit comet."
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WeirdSpace proslijedio/la je Tweet
I also covered the reactors that were used here: http://beyondnerva.com/2018/11/08/nuclear-electric-propulsion-history-part-1-the-soviet-astronuclear-program/ … and Sven Grahn has a great page too (he tracked these in orbit IRL) http://www.svengrahn.pp.se/trackind/RORSAT/RORSAT.html …
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For more info, check out: Operation Morning Light (http://amazon.com/Operation-morn …) & http://en.wikipedia.org/wiki/Kosmos_954 3/3
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and it ended up de-orbiting and breaking up over a 400 mile swath of Canada. Amongst the rubble were the remains of the satellite's nuclear reactor, the debris of which were never completely recovered. When the Soviet Union was sent a clean-up bill, they agreed to go halfsies 2/n
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Operation Morning Light: In 1977, the US noticed that Kosmos 954 (a Soviet Union satellite) wasn't looking so hot. In fact, it looked like it was going to de-orbit & land in N America. The Soviet Union wasn't very forthcoming w/info about the satellite's impending demise, 1/npic.twitter.com/KXO8rNKvAy
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During a technical delay, an annoyed person in the crowd shouted "T minus six seconds!" Jerri Sloan Truhill, of the Mercury 13 says, "Try T minus thirty-eight years."
#AstroSass From the beautiful book Almost Astronauts: https://www.amazon.com/Almost-Astronauts-Women-Dared-Dream/dp/1501278673 …Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
The "Mercury 13" were women who qualified for the Mercury program, but were not allowed to fly. In 1999, Eileen Collins was the first female shuttle commander. She invited the 11 surviving members, and 8 came to watch her take off.
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When they have properly positioned their bodies, they memorize the position of their thighs and buttocks in relation to the toilet seat. To say this training takes a lot of the glamour out of being an astronaut is an obvious understatement." Source:https://mikemullane.com/product/ears-pop/ …
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The trainer consists of an upward-pointing television camera set in the toilet bowl. Astronauts sit on this toilet and check their aim by viewing a television that sits in front of the trainer.
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The small size of the toilet opening (about 4 inches) makes *aim* critical to the success of the operation. Recognizing this, NASA engineers have built a toilet trainer at the Johnson Space Center with which astronauts can practice their aim.
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