#humanspaceflightsecurity — Public Fediverse posts

The #spacesuits on #Artemis II should be able to sustain astronauts for up to six days. Once Artemis II is on its way to the #Moon 🌙, the mission’s trajectory is designed to bring it back to Earth even if Orion hits a snag.

Artemis I : During Orion’s return through Earth’s atmosphere, material from the capsule’s heatshield had broken off in chunks. There was a similarly problematic heatshield already installed on the crew capsule for Artemis II https://www.planetary.org/articles/whats-keeping-the-artemis-astronauts-safe

#HumanSpaceflightSecurity

RE: https://mastodon.social/@arstechnica/116224659684048903

The way #NASA is assessing and communicating risk for #Artemis II sharply contrasts with how the agency formulated and discussed risk assessments for several recent notable missions.

Honeycutt and Glaze are not the first NASA officials to question the validity of probabilistic risk assessments, which rely on numerical and statistical inputs, many of which are grounded in assumptions 🔮.

#HumanSpaceflightSecurity

📆 1983 Mission summary STS-9, Commander John Young* : "Had we then activated the Backup Flight Software, loss of vehicle and crew 💥 would have resulted" https://en.wikipedia.org/wiki/STS-9#Mission_summary

* the only astronaut to walk on the Moon and fly on the #SpaceShuttle

#HumanSpaceflightSecurity

The #Buran also had emergency ejection seats 💺 for all crew members (absent on the #US shuttles) and was free from the specific design flaws that contributed to the destruction 💥 of two shuttles in flight, the #Challenger in 1986 and the #Columbia in 2003 https://edition.cnn.com/style/article/baikonur-buran-soviet-space-shuttle/

#SpaceShuttle #NASA #HumanSpaceflightSecurity

RE: https://social.heise.de/@heiseonlineenglish/116103445245497812

#Wilmore had already admitted that the problems were more massive than previously known. He stated that he could no longer control 🕹️ the spacecraft properly before the docking attempt.

#Starliner #Boeing #NASA #ISS #HumanSpaceflightSecurity

#NASA indefinitely delays ⏳ return of Starliner. During a pair of news conferences since #Starliner docked to the station officials have downplayed 🙈🙉🙊 the overall seriousness 😱 of the issues. But they have yet to fully explain why they are not yet comfortable with releasing Starliner to fly back to Earth under normal circumstances. https://arstechnica.com/space/2024/06/nasa-indefinitely-delays-return-of-starliner-to-review-propulsion-data/

#Boeing #HumanSpaceflightSecurity

#Politico 📆 11/02/2022 : Don’t count on being #rescued — by #NASA or the #SpaceForce, or even the company that built your private #spaceship.
#Seafaring ⛵ explorers traditionally sailed with #additional #ships, #Apollo missions included #redundant capsules that proved crucial in #saving the #Apollo13 astronauts. #Skylab had #rescue #rockets and #spacecraft on #standby for in-#orbit #emergencies https://www.politico.com/news/2022/11/02/space-rescue-service-astronauts-00064633

#Boeing #Starliner #HumanSpaceflightSecurity

Let's hope they also check the door bolts 🤔
"...slipped from February to April 2023 as the company works with #NASA to fix lingering technical issues from the #spacecraft's last uncrewed test flight" https://www.reuters.com/business/aerospace-defense/boeings-first-crewed-starliner-spaceflight-slips-april-2023-2022-11-03/

#Boeing #Starliner #HumanSpaceflightSecurity

Since all launch vehicles are specialized - and literally #RocketScience - the #FAA believes operators are best suited to sniff out root causes and identify corrective actions. The agency estimates that in-house investigations could take the agency 10-20 times longer 🥱.
As for #HumanSpaceflight / tourism, the industry has been operating under an eight-year “learning period,” where the FAA is restricted from enacting regulations. The learning period is set to expire on 📆 Jan. 1 https://payloadspace.com/the-gao-calls-for-the-faa-to-improve-its-mishap-investigation-process/

#SpaceRegulation #HumanSpaceflightSecurity

Reaching #orbit means accelerating up to around 28,000kph (22 times the speed of sound). A five-gram #bolt 🔩 hitting at #OrbitalSpeed packs as much #energy 💥 as a 200kg weight dropped from the top of an 18-storey building. The typical #radiation ☢️ dose from one day in #space is equivalent to what you’d receive over an entire year back on #Earth https://www.sciencefocus.com/space/space-travel-exploration

#SpaceTravel #HumanSpaceflightHealth #HumanSpaceflightSecurity

#SpaceSuit 👨‍🚀 testing leak 📆 1965 https://www.youtube.com/watch?v=KO8L9tKR4CY

What happens to the unprotected human body in #space ? https://www.cnet.com/culture/what-happens-to-the-unprotected-human-body-in-space

#HumanSpaceflightSecurity

#NASA 📆 April 2020 #Micrometeoroids and #SpaceDebris will strike an #orbiting Station throughout its lifetime, as is evident on the #ISS, where several #solar arrays show #damage caused by micrometeoroids. The #hope is that the #meteoroids will not hit any #critical areas and cause #emergency #evacuation of the structure. Damage from meteoroids may include damage to #habitation 💤 modules.
#Welding is one of the best ways to create hermetic seals. The ability to #weld these structures without waiting for new equipment may limit the #risks to #astronauts in the event of damage.This ability for rapid #repair may also become more significant as orbiting Stations such as #Gateway move further from #Earth and the associated #cost of shipping parts increases. It is important to #develop these technologies now.

#NASA has recently funded work on #development of #spacewelding 🎇 capabilities https://ntrs.nasa.gov/api/citations/20200002259/downloads/20200002259.pdf

#HumanSpaceflightSecurity #SpaceMaintenance #SpaceAgency #SpaceStation

🚀 #SpaceX launches and landings, once bordering on #magic, have become #predictable, if not monotonous. “This is not #routine,” said Benjamin Reed, the senior director of #human #spaceflight programs at SpaceX. “When you are sending #people into space, you cannot err,” said William Gerstenmaier, the vice president of build and flight #reliability at SpaceX https://www.nytimes.com/2022/12/29/science/spacex-launch-mission-control.html

Picture : Crew-1 Launch https://commons.wikimedia.org/wiki/File:SpaceX_Crew-1_Launch_(NHQ202011150027).jpg

#HumanSpaceflightSecurity

#NASA “We're not calling this a #rescue #Soyuz. No immediate need for the crew to come home. I'm calling it a replacement Soyuz.” 🙈 🙉 🙊 Launch 📆 postponed until early March https://aviationweek.com/defense-space/space/roscosmos-delays-soyuz-ms-23-launch-until-early-march

Launch of #ISS #rescue mission that #NASA says is not a rescue mission https://www.gizmodo.com.au/2023/02/this-week-in-spaceflight-the-dont-call-it-a-rescue-mission-to-iss-and-more

The #WaPo also uses the bad "R"-Word 😁 "Since Roscosmos is now sending that spacecraft as a #RescueVehicle 🧷, the replacement crew won’t fly until September." https://www.washingtonpost.com/technology/2023/02/15/space-station-rescue-delayed/

#HumanSpaceflightSecurity #Roscosmos

#Micrometeroid ☄️protection : #Starship is made of 4mm stainless steel. The #ISS got so-called "Whipple shields". The future of #spacecraft #shielding 🛡️ could stem from ongoing research into “self-healing” shields, materials that #automatically #repair themselves after they’re hit https://www.smithsonianmag.com/smart-news/how-do-you-shield-astronauts-and-satellites-from-deadly-micrometeorites-3911799

#HumanSpaceflightSecurity

Pictures : #SpaceShuttle debris holes, #Satellite panel hit by #SpaceDebris https://commons.wikimedia.org/wiki/File:Space_debris_impact_on_Space_Shuttle_window.jpg https://commons.wikimedia.org/wiki/File:STS-118_debris_entry.jpg https://commons.wikimedia.org/wiki/File:SMM_panel_hole.jpg

#Politico 📆 11/02/2022 #SpaceRescue : Don’t count on being #rescued — by #NASA or the #SpaceForce, or even the company that built your private #spaceship.
#Seafaring ⛵ explorers traditionally sailed with #additional #ships, #Apollo missions included #redundant capsules that proved crucial in #saving the #Apollo13 astronauts. #Skylab had #rescue #rockets and #spacecraft on #standby for in-#orbit #emergencies
https://www.politico.com/news/2022/11/02/space-rescue-service-astronauts-00064633

#SpaceRescueService #redundancy #Soyuz #ISS #international #cooperation

Picture : The #SpaceForce #rescue team 😜. Based on https://commons.wikimedia.org/wiki/File:Stephen_Colbert_and_Steve_Carell_MFF_2014.jpg For those who didn't get the joke : https://en.wikipedia.org/wiki/Space_Force_(TV_series)#Premise

#HumanSpaceflightSecurity #stevecarell

#BBC #Columbia #SpaceShuttle Investigation https://youtu.be/2eTRaJGDe-8

'You know, there is nothing we can do about #damage to the TPS. If it has been damaged it’s probably better not to know. I think the crew would rather not know. Don’t you think it would be better for them to have a happy successful flight and die unexpectedly during entry than to stay on #orbit, knowing that there was nothing to be done, until the air ran out ?'”
https://www.bbc.com/future/article/20150130-what-caused-the-columbia-disaster

#HumanSpaceflightSecurity #SpaceMaintenance #SpaceAgency #SpacePolitics

The keyword hashtag list reached 5️⃣5️⃣ 55 entries :

#AsteroidMining
#AsteroidThreat
#CelestialBodyLanding
#DSOC (Deep Space Optical Communications)
#HallEffectThruster
#HumanSpaceflight
#HumanSpaceflightBasics
#HumanSpaceflightHealth
#HumanSpaceflightSecurity
#ISRU (in situ resource utilization)
#LaunchCost
#Lunar3dPrinting
#MoonMining
#PrivateSpaceflight
#ReusableLaunchVehicle
#RocketEngine
#RocketScience
#SatelliteImprovement
#SatelliteInternetAccess
#SBSP (Space-based Solar Power)
#SmallSat
#SpaceAgency
#SpaceCommunication
#SpaceCompany
#SpaceCraft
#SpaceColonization
#SpacecraftComparison
#SpacecraftPropulsion
#SpaceDebris
#SpaceEnergy
#SpaceEvent
#SpaceFood
#SpaceForce
#SpaceHabitat
#SpaceHotel
#SpaceIndustry
#SpaceInfrastructure
#SpaceLogistics
#SpaceMaintenance
#SpaceMining
#SpaceNavigation
#SpacePhotography
#SpacePlants
#SpacePolitics
#SpacePort
#SpaceRegulation
#SpaceRobot
#SpaceScience
#SpaceSciFi
#SpaceStation
#SpaceSuit
#SpaceTelescope
#SpaceTourism
#SpaceWelding
#TimeToOrbit

#Reuters 📆 Dec 28 #NASA is exploring whether #SpaceX's #CrewDragon #spacecraft can potentially offer an alternative* ride home for some crew members of the International #SpaceStation https://www.reuters.com/business/aerospace-defense/nasa-mulls-spacex-backup-plan-crew-russias-leaky-soyuz-ship-2022-12-28/

* potential #capacity : https://techhub.social/@spaceflight/109539681610450034

Picture : #CrewDragon interior https://commons.wikimedia.org/wiki/File:NASA_astronauts_work_aboard_the_SpaceX_Crew_Dragon_(iss064e004754).jpg

#HumanSpaceflightSecurity #ISS #Soyuz

#Roscosmos / Yuri Borisov : "I hope that the #small #incident that we had with the #temperature control system did not affect your mood and composure,"
"Let's #hope for the completion of your mission as #planned."
https://www.themoscowtimes.com/2022/12/20/russian-space-chief-praises-us-after-iss-coolant-leak-a79752

#Soyuz #redundancy #Astronaut #security #risk #HumanSpaceflightSecurity

Backup #Soyuz can’t get to #ISS before late 📆 February. #Roscosmos is "still unsure about whether the #damaged Soyuz can safely carry the crew back to #Earth". The next rotation of US personnel is set for a 📆 January 9 departure on a #Dragon #spacecraft. https://arstechnica.com/science/2022/12/iss-partners-modeling-soyuz-heat-flow-to-decide-if-its-safe-to-use
#CrewDragon has a capacity of seven 7️⃣ astronauts. Only four 4️⃣ #seats 💺 are used for #NASA missions. https://en.wikipedia.org/wiki/SpaceX_Dragon_2#Design

Picture : interior of the seven 7️⃣ #crew #capacity #spacecraft https://commons.wikimedia.org/wiki/File:Dragon_V2_unveiling,_looking_in_(KSC-2014-2729).jpg

#HumanSpaceflightSecurity

#ISS #spacewalk canceled as of #SpaceDebris 🗑️ ☄️
Debris Avoidance Maneuver 📆 Dec. 21 #trackingdata showed a close approach of a #fragment of #Russian Fregat-SB #upperstage #debris. It was #estimated that the debris could have passed less than a quarter of a mile from the station https://blogs.nasa.gov/spacestation/2022/12/21/space-station-maneuvers-to-avoid-debris-after-conjunction-postpones-spacewalk

Picture : Samantha #Cristoforetti outfitting the #European #robot arm 📆 21 July 2022 https://commons.wikimedia.org/wiki/File:ISS-67_Spacewalker_Samantha_Cristoforetti_works_outside_the_Nauka_module.jpg

#HumanSpaceflightSecurity

#NASA, #ESA. #CSA, #JAXA, #Roscosmos, #CNSA : do you read me ? https://youtu.be/ARJ8cAGm6JE
The #rescue agreement was ratified on 📆 December 3, 1968 "upon becoming #aware that the personnel of a #spacecraft are in distress [...] any state party shall extend #assistance in the #rescue operation"
https://en.wikipedia.org/wiki/Space_policy#The_Rescue_Agreement
How about #prevention of #distress ?

#HumanSpaceflightSecurity #APAS #docking #international #collaboration #emergency #airlock #Soyuz

#Tiangong is fitted with the #Chinese 🇨🇳 #docking mechanism based on the #Russian 🇷🇺 APAS-89/APAS-95 system. #NASA is describing it as a "clone" to #APAS on the #ISS https://en.wikipedia.org/wiki/Tiangong_space_station#Docking
Would be an #alternative to a #risky landing with a partly operational #Soyuz in case of an #emergency (#depressurization / #ammonia #contamination or similar) ?

Wonder whether #GatewaySpaceport's #Hatship #pod got a docking mechanism which fits (both) ? https://gatewayspaceport.com/pod-2

Picture : APAS-95 https://commons.wikimedia.org/wiki/File:STS-131_flight_day_two_Discovery%27s_RMS_and_OBSS.jpg

#HumanSpaceflightSecurity #HumanSpaceflight #HumanSpaceflightBasics

#SpaceX #SpaceSuit Lab : 0:55 "The spacesuit's primary purpose is to protect the #crew in the #unlikely event that the #cabin would #depressurize" https://youtu.be/4LMwKwcMdIg

"The suit, which is suitable for #vacuum, offers #protection against #cabin #depressurization" https://en.wikipedia.org/wiki/Space_suit#SpaceX_suit_(%22Starman_suit%22)

#HumanSpaceflightBasics #HumanSpaceflightSecurity

#BBC 📆 10 January 2016 How to deal with a #medical 🚑 #emergency on the #SpaceStation "They have limited resources on the ISS but there are no life support facilities on #Soyuz either" https://www.bbc.com/news/health-35254508

International Space Station (#ISS) #Depressurization Initial
Response #Procedure, 2016 https://governmentattic.org/27docs/ISS%20depressInitRespProced_2016.pdf

Uncontrolled #decompression : loss of #consciousness due to hypoxia (lack of #oxygen) https://en.wikipedia.org/wiki/Uncontrolled_decompression#Gradual_decompression

#NASA 📆 May 26, 2020 #Evolution of Hardware and Philosophy of Emergency Response Actions on the International Space Station and Future #Spacecrafts https://ntrs.nasa.gov/citations/20200011599

#NYT 📆 Jan. 14, 2015 International Space Station crew members evacuated to the #Russian side of the station twice because of worries of a possible #ammonia leak https://www.nytimes.com/2015/01/15/science/space/international-space-station-ammonia-leak.html

#HumanSpaceflightBasics #HumanSpaceflightHealth #HumanSpaceflightSecurity

A 0.8 mm hole 🕳️ caused the #Soyuz #leak ⛲. @sciguyspace : #Roscosmos said working groups of specialists would spend about another week assessing the #issue. The next #Soyuz could be ready for flight 📆 February 19.
The biggest #risk is a #health emergency 🚑 or if there is some station issue that forces an #emergency #evacuation https://arstechnica.com/science/2022/12/russia-says-it-will-take-no-immediate-action-on-damaged-soyuz-spacecraft

#TASS 📆 December 19 "the #temperature reached [...] plus 40 degrees 🌡️Celsius in its instrumentation/equipment compartment" https://tass.com/science/1552657

Picture : #Debris hole in a #satellite panel https://commons.wikimedia.org/wiki/File:SMM_panel_hole.jpg

#HumanSpaceflightSecurity #AsteroidThreat #SpaceStation #Satellites #SpaceDebris

While an #emergency ☄️on the #ISS certainly poses #difficulties regarding #time to #rescue, one can argue that the difficulties inherent in a #Mars 🔴 mission carry a qualitatively different #psychological #impact

#Psychology of #Space Exploration #NASA 2011 https://www.wikiarchives.space/picture.php?/755282/category/5225

#HumanSpaceflightBasics #HumanSpaceflightHealth #HumanSpaceflightSecurity

#CrewDragon has a #capacity of seven 7️⃣ #astronauts - only four 4️⃣ #seats are used for #NASA missions https://en.wikipedia.org/wiki/SpaceX_Dragon_2#Design

In #engineering, #redundancy is the intentional duplication of #critical components or functions of a system with the goal of increasing #reliability of the system, usually in the form of a backup https://en.wikipedia.org/wiki/Redundancy_(engineering)

#HumanSpaceflightSecurity #SpaceCraft #CrewDragon #seats #Soyuz #backup #crew #safety #redundancy