Questions tagged [crewed-spaceflight]
Crewed spaceflight (also referred to as human spaceflight or manned spaceflight) is space travel with a crew aboard the spacecraft. When a spacecraft is crewed, it can be operated directly, as opposed to being remotely operated or autonomous.
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What was the largest single failure on an STS mission that wasn't critial? [closed]
What was the largest single failure on an STS mission that wasn't critial?Can only be single part failing and can't be something related to it. For example, a sensor not working is okay, but it not ...
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How does SpaceX get through regulatory issues so quickly?
"Regulatory" isn't the right word, but I don't know what is.
For example, SpaceX seemed to be able to prove to NASA's satisfaction that they were sufficiently safe to use for crewed launches ...
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How many printed novels have been in space to date?
I am talking about actual novels brought for recreational purposes. As in manuals don't count. Also, I would like to know who and on what mission these were brought.
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Sending a Soyuz ship interplanetary - a plausible option?
This is my first time on Space Exploration SE, although I have participated quite a bit over on Worldbuilding. Anyway, as an avid sci-fi reader, I have been wondering if sending a Soyuz interplanetary ...
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Are fuel cells suitable for missions with high power requirements?
Are fuel cells suited for missions with high power requirements?
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Are most launches for science missions?
Are most space missions launched for scientific purposes?
I had thought so, but during a group discussion, someone suggested most are actually for commercial purposes. Are they correct?
Thanks!
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ESA: Does the ESA initiate the development of necessary new technologies if it is necessary? Does the ESA create new space missions?
I tried to do some research but I couldn’t find any definitive answer to this: Does the ESA initiate the development of necessary new technologies if it is necessary? And does the ESA create new space ...
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How heavy is an orbital pogo stick?
Moving people from a A to B in space often requires a significant change in velocity, requiring propellant eating into the mass budget.
But most of this propellant is "wasted" in moving a ...
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Was it possible to do a course correction on the planned manned Venus flyby?
Once the burn was complete, any remaining propellant would be vented to space, and then the larger fuel tank could be used as living space, while the smaller oxygen tank would be used for waste ...
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Is 2001: A Space Odyssey's Discovery One still a plausible design for interplanetary travel?
in 1968 Stanley Kubrick and Arthur C. Clarke created 2001: A Space Odyssey.
The interplanetary spacecraft, Discovery One, was considered scientifically feasible at the time. The design included in-...
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What policies and capabilities are in place to induce hypothermia for the purpose of reducing hypoxic brain damage in EVA depressurization?
Depressurization incidents during EVA will have hypoxia as the ultimate cause of death or permanent brain damage. If an astronaut’s brain is deprived of oxygen, irreparable damage occurs after about 4 ...
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Is a low-energy cruise an option for manned lunar flights?
Some lunar probes such as GRAIL travelled on a different trajectory to the Moon that went even much farther than the Moon itself is from Earth, to a Langrangian point, so why isn't this option ever ...
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What was the function of the Apollo Sextant Beam Splitter?
Operation of the Apollo Sextant Beam Splitter
The Apollo optical Sextant is used to update the vehicles State Vector. It is capable of
sighting two celestial targets simultaneously and measuring the ...
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Can the resources of Titan be of any use for colonisation of the Saturn system [closed]
Will the resources of Titan aid outer solar system exploration?
What does Titan have?
Well:
*Lakes of ethane and methane
*Thick atmosphere, mostly nitrogen
*Ices stored in the rocks (the rocks are ...
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Is having a natural satellite an advantage for colonising a planet or its satellite system?
Natural satellites contain resources and sometimes atmospheres, and are close to their parent and sometimes lots of other moons. Couldn’t we use a base there to colonise its parent or a neighbouring ...
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Why does the presence of ice and organics (carbon, ammonia, water, etc) matter in space exploration?
For example, several missions have been launched just to find ice at the lunar poles. Why do astronomers and space agencies care so much about there being ice somewhere?
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What will be more important for the first NASA led human mission to Mars, the exploration of important science targets or the mining of water ice?
A few months after NASA's decision in November 2018 that Jezero Crater would be the landing site for the Mars 2020 rover mission, the research article The Geology and Astrobiology of McLaughlin Crater,...
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How long would it take Starship to get to Neptune without any flybys?
After seeing this answer (https://space.stackexchange.com/a/60438/44505) saying that starship could get to Neptune, I wondered how long it would take to get to Neptune. Bonus question: Would it be ...
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Will SLS be launched as often as the space shuttle was?
Again, I did some research, and again, the results aren't that impressive.
I was able to find that SLS is to become the " successor to the retired Space Shuttle, and the primary launch vehicle of ...
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Mars crewed trip - earliest year technology was available?
With the technology built for the Moon landings, would it have been possible to send people to Mars?
If no, what would have been the earliest year technology would have been available?
@Fred said '...
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In the event of SRB ignition failure, could jettison of the other “lit” SRB prevent catastrophe?
Solid Rocket Boosters (SRBs) are popular launch boosters, used on the Space Shuttle, Ariane 5, Atlas V and SLV.
However, SRBs have a number of failure modes, most of which result in catastrophe.
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What are the "disks" seen on the walls of some NASA space shuttles?
I'm deep-dive researching older NASA shuttles, and a few elements in this image of a toilet (which could be found on display at JSC in the early aughts) stood out to me. See the red circles I added to ...
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How much would it cost to build Megaroc?
Megaroc was an idea of a modified V2 rocket by the British Interplanetary society to launch a human into space. If it were built there could have been a human in space in 1948/1949. The reason it was ...
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What percentage of humans could execute the job of astronaut if given the opportunity? [closed]
Becoming an astronaut is notoriously difficult, with something on the order of 0.01% of all applicants getting picked for the job. To a large extent this is inevitable as only a dozen people per year ...
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Is it possible for an Orion drive-based spaceship to experience smooth artificial gravity?
One of the problems of using an Orion drive or any pulsed based drive, is that the occupants will feel a sudden jolt of force instead of a smooth constant acceleration for artificial gravity. Is there ...
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How much solar radiation hits a spacecraft in transit to Mars?
How can I solve for the amount of radiation that hits a Mars transit vehicle, in transit? What formulas should I use? I am mostly focused on solar radiation.
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Is there something inherently more difficult about servicing satellites in the 2nd Sun-Earth Lagrangian point?
There are several questions already asked on here about the potential for servicing the James Webb Space Telescope. This question asks what happens if the JWST needs repair. Basically, there are no ...
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Can New Shepard launch from Texas and deliver payload (people) to Florida?
Can New Shepard be used as transportation instead of a joy ride?
Is there any meaningful flight where you launch from Texas, and land somewhere nearby like California or Florida?
If it can't be done ...
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Moon Suit to be used for the Artemis III mission?
The Moon landing mission Artemis III is scheduled for launch in 2025. It will be the first Lunar crewed mission after Apollo.
What is the development state of the moon suit to be used for moonwalks ...
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How does US crewed launch abort coverage "jump" the ocean in an instant?
As I understand things, the Commercial Crew Program stipulates full abort coverage from pad to orbit. An abort to the middle of the Atlantic ocean is understandably not acceptable.
Watching the OFT-2 ...
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short duration of crew 4 mission
I am wondering why the crew 4 mission is (for the moment) only planned for 4 and half months and not the usual 6-6.5 months? Thanks.
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Is electric propulsion feasible for human spaceflight?
I have been reading a lot about electric propulsion and was wondering if it would be feasible for human spaceflight. It is really efficient but it takes a while to get to the desired speed. Would it ...
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How spontaneously can a spacecraft be deorbited [duplicate]
Currently the return of AX-1 has been rescheduled multiple days due to weather concerns in the landing area. How quickly could astronauts on the ISS evacuate to the ground if so required?
Scenarios ...
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Why doesn't NASA fly its rockets on suborbital trajectories to the Moon?
After trying it out in Kerbal Space Program for a while, I was wondering why NASA doesn't fly on suborbital trajectories to the Moon. When I tested this idea in Kerbal Space Program I found out that ...
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How fast can LEO be evacuated [duplicate]
Currently the return of AX-1 has been rescheduled multiple days due to weather concerns in the landing area. How quickly could astronauts on the ISS evacuate to the ground if so required?
Szenarios ...
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Specifications for Spacecraft interior and exterior paint colours
Are there specifications for Crewed mission spacecrafts in terms of interior and exterior paint colours?
I.e. Only specific paint colours are required internally and externally.
Can these paint ...
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Can double deck spacecraft be designed and constructed for manned missions?
Double Deck Aeroplane
Similar to double deck Aeroplane, can a double deck crewed mission spacecraft be designed and constructed?
Benefits: More astronauts in the manned mission spacecraft viz Mars, ...
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Will the NASA Commercial Crew "zip line away from the tower and into" this "military armoured truck" in case of emergency? Does the truck have a name?
The NASA Commercial Crew @Commercial_Crewtweet
The #Crew4 astronauts have been busy getting ready for their upcoming mission to the
@Space_Station!
The crew recently participated in simulations ...
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With the new (Feb 2022) NASA SpaceX Crew Dragon contract extension, how much per flight?
NASA awarded flights 7, 8, and 9 for Crew Dragon in an extension of the existing contract, bringing the total value to \$3,490,872,904 . We know that in 2014 SpaceX was awarded about $2.6 billion to ...
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Where to find Apollo lunar landing checklists?
Is this the only document where I can read the checklists for Apollo lunar landing? They look more sidenotes than real checklists, and they contain hundreds of acronyms; I would expect instead a "...
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Do you need to operate laptop computers to run the ISS SSRMS robots Canadarm2 & Dextre? What if there's a pressure loss and you're wearing a suit?
Comments and to some extent the current answer to If an ISS emergency requires pressure suits temporarily, can they still use the laptops? Move the cursor? address a highly unlikely scenario where a ...
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How brightly does Venus's hot surface glow at night? Could you see it? Could you see well enough to walk around?
NASA's Parker Solar Probe Captures its First Images of Venus' Surface in Visible Light, Confirmed links to the new Geophysical Research Letter Parker Solar Probe Imaging of the Night Side of Venus.
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When will the ISS deorbit?
Is this undecided or still up for debate? Also, might it be delayed or put earlier for some reason? What about if we just abandon it?
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What's the highest latitude for a human spaceflight?
There are obviously many satellites in polar orbits or in orbits that extend to very high latitudes. There are obvious reasons to do this in terms of Earth observations, but there is probabably much ...
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How did pages of Ramon's diary survive the Columbia disaster?
In early 2003, the space shuttle Columbia burnt up due to a failed leading edge on the wing from an external tank foam strike. All seven astronauts were killed. Yet, some pages of Ilan Ramon's diary, ...
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How does NASA count the order that people have entered space?
NASA has designated Matthias Maurer (crewmember of SpaceX CrewDragon 3) as the 600th person to fly in space. Leaving aside the question of whether those who flew with Branson and Bezos should be ...
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Could astronauts jump from a spaceship onto a spacestation and how would it be like if yes?
I saw it happen in the videogame Alien:Isolation but not sure how realistic it was. I need help understanding some orbital mechanics for a sci-fi story that I am trying to write.
The scenario I ...
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New spin on laundry day: How will ISS cope with washing machine vibration and angular momentum?
Although the ISS currently has no laundry facilities, NASA’s Glenn Research Center sponsored a washing machine design contest to do the drudgery during spaceflight. Plans have been made for testing a ...
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How many hours/week on the ISS is spent on science vs maintenance?
This was asked in 2016 : Does ISS crew exercise time count toward their X hour work week? The answer as of 2016 was 40 hours / week for a crew of 6.
But as noted there, when the crew size increases to ...
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First multi-pin electrical connection made in vacuum in space? Was it a part of a docking maneuver? Were precautions against cold welding taken?
Wikipedia's Docking and berthing of spacecraft says that
The first spacecraft docking was performed between Gemini 8 and an uncrewed Agena Target Vehicle on March 16, 1966.
Were multi-pin electrical ...
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