Questions tagged [standards]

Standards refer to formalized descriptions of "best practices" for any given process, design, or procedure. They allow systems to be developed such that "reinventing the wheel" is kept to a minimum, and they aid in compatibility between standardized systems.

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16
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3answers
4k views

What is an "octet" in the context of NASA's LunaNET Interoperability Standard? ("internet on the Moon")

The PDF Draft LunaNet Interoperability Specification, LN-IS Baseline V001 September 2, 2021 (found at https://esc.gsfc.nasa.gov/projects/TEMPO?tab=lunanet) has found its way to the popular press. 4.2 ...
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0answers
302 views

What paper size do they use on the International Space Station?

We know they have at least one printer on the ISS – that's NASA-supplied so it would be in the US Orbital Segment. Presumably there is a printer in the Russian Orbital Segment as well. (Mir had a ...
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0answers
59 views

What are current epidemiologic standards for space?

In the recent Mars series by National Geographic I've seen that an astronaut dies from a brain tumor because it "was not part of screening". Now could this be real and what are health standards for ...
7
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1answer
125 views

How strict are dispenser integrators when a CubeSat requirement is not met?

I'm working on designing a CubeSat component which does not comply with all of the requirements in the latest CubeSat Design Specification (CDS), namely: "The ends of the rails on the +/- Z face ...
5
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1answer
128 views

Do the rovers in Hayabusa-2 communicate directly with the spacecraft or use the landers as relay?

I can't infer this from this documentation or the presentation: Do the ROVER-1A and ROVER-1B communicate with MINERVA-II-1, and it then relays to the Hayabusa2 "mothership", or do they communicate ...
6
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2answers
271 views

Why is the International Docking Adapter limited to mother ships and shuttles in a set mass range?

The IDSS ( International Docking System Standard) is a docking standard that every Docking adapter should follow. According to its latest revision: Vehicles using this interface may include light ...
2
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1answer
249 views

How can satellites serve a large number of devices on earth?

Say we have a LEO satellite. There are 5000 low power devices on earth (They are in the close vicinity, can be served by same satellite) which needs to be communicated with the satellite. Now my ...
9
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3answers
2k views

What are the common space application adhesives used in Earth orbiting satellites?

For quite some time, I am reading about space adhesives. Selecting the right adhesive for space applications is extremely important, mainly due to the high vacuum (around 10-8 Torr), and the variation ...
9
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1answer
732 views

Are space stations compatible?

I know that there are (at least) two space stations in operation: The ISS and the Chinese one (which I don’t remember the name now) Imagine, that China, EU, Russia and USA agree on cooperating in the ...
18
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2answers
12k views

How fair is the claim that Shuttle boosters diameter was dictated by the railroad gauge?

There's a kind of urban legend that the Space Shuttle boosters diameter could have been larger if it was not restricted by the limitations imposed by the railroads, specifically the railroad gauge. I ...
22
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6answers
85k views

How far do you have to be from Earth to be "in space"?

According to a recent news article a group of USC students are attempting to launch a rocket "in to space" with a planned height of 62 miles. Making them "the first group of students to successfully ...
15
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3answers
5k views

How do we measure height on celestial bodies with no significant atmospheric pressure, no seas, or no surface to speak of?

On the Earth, measuring elevation above sea level is relatively easy. Throughout the years of evolving these measurements to not rely on different reference points of the Mean Sea Level (MSL) of ...
7
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1answer
102 views

What spacecraft technologies are subject to international standards?

I'm asking about standards promoted by ISO, IEEE, ITU, intergovernmental bodies, or simply de-facto standards. For instance, MIL-STD-1553 defines serial data bus used in avionics all over the world. ...
13
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1answer
420 views

Primary payload influence on hitchhiking CubeSat integration and testing?

Integration is the process of assembling or otherwise combining the separate subsystems into your final overall system. Testing involves making sure your components, subsystems, and overall system ...
16
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2answers
8k views

Why are spacecraft assembled in cleanrooms?

You see many pictures of spacecraft being handled by people with masks and hairnets. What's the reason for this?