Newest Questions
19,853 questions
0
votes
0
answers
4
views
Movement of space craft vehicle
I further explain with the exact question in a detailed as follows The initial (3-2-1) euler angles yaw, pitch and roll of a vehicle are (alpha, beta, gamma) = (40,30,80) deg. Assume the body angular ...
2
votes
1
answer
395
views
Movement of space vehicles
Why the euler angles or any other methods which are being used to find out the movement of spacecraft using iterated rather than integrated to find yaw, pitch, roll of the spacecraft?
-1
votes
0
answers
91
views
On the HOPE (human outer planet exploration) proposals are there any details on how the interior of the lander for Callisto would be laid out?
I understand it’s outdated but I’m asking this out of curiosity. I’ve found this link for the exterior but nothing on the interior. https://www.projectrho.com/public_html/rocket/realdesigns3.php
8
votes
0
answers
113
views
Maximum "emergency" speed of an astronaut moving on the moon
As part of their redesigned moon campaign, NASA announced plans for a pressurized Moon rover (p. 22 of the PDF). Its proposed maximum speed would be 3.5 km/h, pretty exactly the speed of a regular ...
15
votes
1
answer
1k
views
What are these straps on these common pressure suits?
Several popular space suits designs feature a strap running from the crotch up to the collar.
American Advanced Crew Escape Suit
Soviet/Russian Sokol(-KM)
It's tied to a pulley that hangs off a steel ...
14
votes
1
answer
1k
views
Where can I find video of someone struggling to get into the Lunar Module with a rope?
I am reading One Giant Leap by Charles Fishman, which recounts some aspects of the history of the Apollo program. A considerable portion of chapter 7, "How do you fly to the Moon?", is ...
6
votes
0
answers
151
views
More information on an electrical outlet on the Lunar Module Descent Stage?
While once again looking into What is this beige, pill shaped object on the back of the Apollo Lunar Module? I came across the December 1967 Grumman Lunar Module Subsystem Assembly and Installations ...
-1
votes
1
answer
174
views
Mathematics prerequisites for GNC engineers focusing on trajectory optimization and non-linear spacecraft attitude control
I am a graduate student starting research in Spacecraft Dynamics and Control . My primary focus is on trajectory optimization and advanced attitude control .To build a solid theoretical foundation, I ...
2
votes
1
answer
134
views
Canted Antenna for spacecrafts
I am designing a 6U CubeSat with a canted turnstile antenna for reception since the payload includes an SDR. I couldn’t find clear resources on how to properly build and simulate the antenna mounted ...
-1
votes
1
answer
225
views
How do Mars colonization plans address 0.38G being insufficient for healthy human development?
If humans plan to live on Mars long-term, how do proponents address the fact that Mars gravity (0.38g) is likely insufficient for healthy human development?
There's been a lot of excitement lately — ...
4
votes
1
answer
223
views
If an object orbits closer to the sun than Mercury, what is the upper bound on its size?
For the sake of this question, exclude artificial objects (which, as far as I know, is just the Parker Solar Probe).
As far as we know, Mercury is the closest object to the sun. There is certainly not ...
6
votes
1
answer
778
views
Micrometeoroid shielding for radiators? Is this a thing at all?
Shielding against hypervelocity impacts is a thing, like a whipple shield. Easy enough for many things, like various habitat modules.
But radiators are required to be very large in size, particularly ...
0
votes
0
answers
111
views
What are examples of part task trainers that are in building 9 at JSC?
I know the main focus of this particular building is mockups but it also includes ARGOS , POGO and the precision air bearing floor in addition to part task trainers.
1
vote
1
answer
209
views
What are advantages of putting a display on a glove instead of in a helmet head up display?
https://www.intelligentliving.co/new-spacesuit-glove-can-control-robots/
This EVA glove which is currently in development would allow astronauts to control moon rovers and drones on mars by hand ...
0
votes
1
answer
152
views
Holding the liquid engine nozzle in horizontal condition
During horizontal transportation and tilting of rockets with cluster engines, The engines may sag and nozzles will touch each other. Since the control actuators are not powered how the nozzle is kept ...